Update horizontreadmill.cpp

src/activiotreadmill.cpp

@@ -606,6 +606,7 @@ void activiotreadmill::serviceScanDone(void) {
         gattCommunicationChannelService->discoverDetails();
     } else {
         emit debug(QStringLiteral("error on find Service"));
+		m_control->disconnectFromDevice();
     }
 }
 

src/bhfitnesselliptical.cpp

@@ -540,9 +540,13 @@ void bhfitnesselliptical::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &bhfitnesselliptical::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &bhfitnesselliptical::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+        }
     }
 }
 

src/bowflext216treadmill.cpp

@@ -394,6 +394,7 @@ void bowflext216treadmill::serviceScanDone(void) {
             gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
             if (gattCommunicationChannelService == nullptr) {
                 qDebug() << "WRONG SERVICE";
+				m_control->disconnectFromDevice();
                 return;
             }
         }

src/bowflextreadmill.cpp

@@ -350,8 +350,13 @@ void bowflextreadmill::serviceScanDone(void) {
 
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("edff9e80-cad7-11e5-ab63-0002a5d5c51b"));
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &bowflextreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &bowflextreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void bowflextreadmill::errorService(QLowEnergyService::ServiceError err) {

src/chronobike.cpp

@@ -314,8 +314,12 @@ void chronobike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("a026ee07-0a7d-4ab3-97fa-f1500f9feb8b"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &chronobike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &chronobike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void chronobike::errorService(QLowEnergyService::ServiceError err) {

src/cscbike.cpp

@@ -471,9 +471,14 @@ void cscbike::serviceScanDone(void) {
 #endif
         {
             gattCommunicationChannelService.append(m_control->createServiceObject(s));
-            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                    &cscbike::stateChanged);
-            gattCommunicationChannelService.constLast()->discoverDetails();
+	        if (gattCommunicationChannelService.constLast()) {
+	            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+	                    &cscbike::stateChanged);
+	            gattCommunicationChannelService.constLast()->discoverDetails();
+	        } else {
+	            m_control->disconnectFromDevice();
+	            return;
+	        }
         }
     }
 }

src/domyosbike.cpp

@@ -575,8 +575,12 @@ void domyosbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("49535343-fe7d-4ae5-8fa9-9fafd205e455"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &domyosbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &domyosbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void domyosbike::errorService(QLowEnergyService::ServiceError err) {

src/domyoselliptical.cpp

@@ -512,8 +512,13 @@ void domyoselliptical::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("49535343-fe7d-4ae5-8fa9-9fafd205e455"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &domyoselliptical::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &domyoselliptical::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void domyoselliptical::errorService(QLowEnergyService::ServiceError err) {

src/domyosrower.cpp

@@ -511,8 +511,12 @@ void domyosrower::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("49535343-fe7d-4ae5-8fa9-9fafd205e455"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &domyosrower::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &domyosrower::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void domyosrower::errorService(QLowEnergyService::ServiceError err) {

src/domyostreadmill.cpp

@@ -736,8 +736,13 @@ void domyostreadmill::serviceScanDone(void) {
     emit debug(QStringLiteral("serviceScanDone"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &domyostreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &domyostreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void domyostreadmill::errorService(QLowEnergyService::ServiceError err) {

src/echelonconnectsport.cpp

@@ -467,9 +467,13 @@ void echelonconnectsport::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("0bf669f1-45f2-11e7-9598-0800200c9a66"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
-            &echelonconnectsport::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &echelonconnectsport::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void echelonconnectsport::errorService(QLowEnergyService::ServiceError err) {

src/echelonrower.cpp

@@ -444,8 +444,12 @@ void echelonrower::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("0bf669f1-45f2-11e7-9598-0800200c9a66"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &echelonrower::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &echelonrower::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void echelonrower::errorService(QLowEnergyService::ServiceError err) {

src/echelonstride.cpp

@@ -412,8 +412,12 @@ void echelonstride::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("0bf669f1-45f2-11e7-9598-0800200c9a66"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &echelonstride::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &echelonstride::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void echelonstride::errorService(QLowEnergyService::ServiceError err) {

src/eslinkertreadmill.cpp

@@ -579,8 +579,13 @@ void eslinkertreadmill::serviceScanDone(void) {
 
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0xfff0);
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &eslinkertreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &eslinkertreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void eslinkertreadmill::errorService(QLowEnergyService::ServiceError err) {

src/fitplusbike.cpp

@@ -886,18 +886,22 @@ void fitplusbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0xfff0);
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &fitplusbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+	    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &fitplusbike::stateChanged);
+	    gattCommunicationChannelService->discoverDetails();
 
-    if (sportstech_sx600) {
-        gattCommunicationChannelServiceFTMS = m_control->createServiceObject(QBluetoothUuid((quint16)0x1826));
-        if (gattCommunicationChannelServiceFTMS) {
-            qDebug() << "FTMS found!";
-            connect(gattCommunicationChannelServiceFTMS, &QLowEnergyService::stateChanged, this,
-                    &fitplusbike::stateChanged);
-            gattCommunicationChannelServiceFTMS->discoverDetails();
-        }
-    }
+	    if (sportstech_sx600) {
+	        gattCommunicationChannelServiceFTMS = m_control->createServiceObject(QBluetoothUuid((quint16)0x1826));
+	        if (gattCommunicationChannelServiceFTMS) {
+	            qDebug() << "FTMS found!";
+	            connect(gattCommunicationChannelServiceFTMS, &QLowEnergyService::stateChanged, this,
+	                    &fitplusbike::stateChanged);
+	            gattCommunicationChannelServiceFTMS->discoverDetails();
+	        }
+	    }
+    } else {		
+        m_control->disconnectFromDevice();
+    }	
 }
 
 void fitplusbike::errorService(QLowEnergyService::ServiceError err) {

src/fitshowtreadmill.cpp

@@ -736,6 +736,7 @@ void fitshowtreadmill::serviceScanDone(void) {
     gattCommunicationChannelService = m_control->createServiceObject(serviceId);
     if (!gattCommunicationChannelService) {
         qDebug() << "service not valid";
+        m_control->disconnectFromDevice();
         return;
     }
     connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &fitshowtreadmill::stateChanged);

src/flywheelbike.cpp

@@ -421,8 +421,12 @@ void flywheelbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("6E400001-B5A3-F393-E0A9-E50E24DCCA9E"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &flywheelbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &flywheelbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void flywheelbike::errorService(QLowEnergyService::ServiceError err) {

src/ftmsbike.cpp

@@ -829,9 +829,14 @@ void ftmsbike::serviceScanDone(void) {
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         if ((JK_fitness_577 && s == ftmsService) || !JK_fitness_577) {
             gattCommunicationChannelService.append(m_control->createServiceObject(s));
-            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                    &ftmsbike::stateChanged);
-            gattCommunicationChannelService.constLast()->discoverDetails();
+			if (gattCommunicationChannelService.constLast()) {
+	            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+	                    &ftmsbike::stateChanged);
+	            gattCommunicationChannelService.constLast()->discoverDetails();
+	        } else {
+	            m_control->disconnectFromDevice();
+	            return;
+	        }
         }
     }
 }

src/ftmsrower.cpp

@@ -543,9 +543,14 @@ void ftmsrower::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &ftmsrower::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &ftmsrower::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/horizongr7bike.cpp

@@ -592,9 +592,13 @@ void horizongr7bike::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &horizongr7bike::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &horizongr7bike::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+        }
     }
 }
 

src/horizontreadmill.cpp

@@ -1928,9 +1928,13 @@ void horizontreadmill::serviceScanDone(void) {
         {
             qDebug() << s << "discovering...";
             gattCommunicationChannelService.append(m_control->createServiceObject(s));
-            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                    &horizontreadmill::stateChanged);
-            gattCommunicationChannelService.constLast()->discoverDetails();
+            if (gattCommunicationChannelService.constLast()) {
+                connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                        &horizontreadmill::stateChanged);
+                gattCommunicationChannelService.constLast()->discoverDetails();
+            } else {
+                m_control->disconnectFromDevice();
+            }
         }
 #ifdef Q_OS_WIN
         else {

src/inspirebike.cpp

@@ -309,8 +309,12 @@ void inspirebike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("7ee7e1fa-6fd8-4cbd-b648-a2cdcfa4e7f4"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &inspirebike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &inspirebike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void inspirebike::errorService(QLowEnergyService::ServiceError err) {

src/keepbike.cpp

@@ -430,8 +430,12 @@ void keepbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0x00ff);
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &keepbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &keepbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void keepbike::errorService(QLowEnergyService::ServiceError err) {

src/kingsmithr1protreadmill.cpp

@@ -457,9 +457,13 @@ void kingsmithr1protreadmill::serviceScanDone(void) {
     ignoreFirstPackage = true;
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
-            &kingsmithr1protreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &kingsmithr1protreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void kingsmithr1protreadmill::errorService(QLowEnergyService::ServiceError err) {

src/kingsmithr2treadmill.cpp

@@ -462,9 +462,13 @@ void kingsmithr2treadmill::serviceScanDone(void) {
         _gattCommunicationChannelServiceId = QBluetoothUuid(QStringLiteral("00021234-0000-1000-8000-00805f9b34fb"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
-            &kingsmithr2treadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &kingsmithr2treadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void kingsmithr2treadmill::errorService(QLowEnergyService::ServiceError err) {

src/lifefitnesstreadmill.cpp

@@ -769,9 +769,13 @@ void lifefitnesstreadmill::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &lifefitnesstreadmill::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if(gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &lifefitnesstreadmill::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+        }
     }
 }
 

src/mcfbike.cpp

@@ -395,8 +395,12 @@ void mcfbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("6E400001-B5A3-F393-E0A9-E50E24DCCA9E"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &mcfbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &mcfbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void mcfbike::errorService(QLowEnergyService::ServiceError err) {

src/mepanelbike.cpp

@@ -390,8 +390,12 @@ void mepanelbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("0000fff0-0000-1000-8000-00805f9b34fb"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &mepanelbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if(gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &mepanelbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void mepanelbike::errorService(QLowEnergyService::ServiceError err) {

src/nautiluselliptical.cpp

@@ -421,6 +421,7 @@ void nautiluselliptical::serviceScanDone(void) {
         gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
         if (gattCommunicationChannelService == nullptr) {
             qDebug() << QStringLiteral("neither the fallback worked, exiting...");
+			m_control->disconnectFromDevice();
             return;
         }
     }

src/nautilustreadmill.cpp

@@ -335,6 +335,7 @@ void nautilustreadmill::serviceScanDone(void) {
 
         gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
         if (!gattCommunicationChannelService) {
+			m_control->disconnectFromDevice();
             return;
         }
     }

src/nordictrackelliptical.cpp

@@ -1405,9 +1405,13 @@ void nordictrackelliptical::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("00001533-1412-efde-1523-785feabcd123"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
-            &nordictrackelliptical::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &nordictrackelliptical::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void nordictrackelliptical::errorService(QLowEnergyService::ServiceError err) {

src/npecablebike.cpp

@@ -574,9 +574,14 @@ void npecablebike::serviceScanDone(void) {
 
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &npecablebike::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &npecablebike::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/octaneelliptical.cpp

@@ -469,8 +469,12 @@ void octaneelliptical::serviceScanDone(void) {
 
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("96dc867d-7a83-4c22-b6be-6381d727aeda"));
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &octaneelliptical::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if(gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &octaneelliptical::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void octaneelliptical::errorService(QLowEnergyService::ServiceError err) {

src/octanetreadmill.cpp

@@ -507,8 +507,13 @@ void octanetreadmill::serviceScanDone(void) {
 
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("96dc867d-7a83-4c22-b6be-6381d727aeda"));
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &octanetreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &octanetreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void octanetreadmill::errorService(QLowEnergyService::ServiceError err) {

src/pafersbike.cpp

@@ -386,8 +386,12 @@ void pafersbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("72d70001-501f-46f7-95f9-23846ee1aba3"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &pafersbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &pafersbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void pafersbike::errorService(QLowEnergyService::ServiceError err) {

src/paferstreadmill.cpp

@@ -371,8 +371,13 @@ void paferstreadmill::serviceScanDone(void) {
 
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("72d70001-501f-46f7-95f9-23846ee1aba3"));
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &paferstreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &paferstreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void paferstreadmill::errorService(QLowEnergyService::ServiceError err) {

src/proformbike.cpp

@@ -1647,8 +1647,12 @@ void proformbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("00001533-1412-efde-1523-785feabcd123"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &proformbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &proformbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void proformbike::errorService(QLowEnergyService::ServiceError err) {

src/proformelliptical.cpp

@@ -450,8 +450,13 @@ void proformelliptical::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("00001533-1412-efde-1523-785feabcd123"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &proformelliptical::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &proformelliptical::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void proformelliptical::errorService(QLowEnergyService::ServiceError err) {

src/proformellipticaltrainer.cpp

@@ -619,9 +619,13 @@ void proformellipticaltrainer::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("00001533-1412-efde-1523-785feabcd123"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
-            &proformellipticaltrainer::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &proformellipticaltrainer::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void proformellipticaltrainer::errorService(QLowEnergyService::ServiceError err) {

src/proformrower.cpp

@@ -773,8 +773,12 @@ void proformrower::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("00001533-1412-efde-1523-785feabcd123"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &proformrower::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &proformrower::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void proformrower::errorService(QLowEnergyService::ServiceError err) {

src/proformtreadmill.cpp

@@ -2496,8 +2496,13 @@ void proformtreadmill::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("00001533-1412-efde-1523-785feabcd123"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &proformtreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &proformtreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void proformtreadmill::errorService(QLowEnergyService::ServiceError err) {

src/renphobike.cpp

@@ -631,9 +631,14 @@ void renphobike::serviceScanDone(void) {
 #endif
         {
             gattCommunicationChannelService.append(m_control->createServiceObject(s));
-            connect(gattCommunicationChannelService.last(), SIGNAL(stateChanged(QLowEnergyService::ServiceState)), this,
+			if (gattCommunicationChannelService.constLast()) {
+            	connect(gattCommunicationChannelService.last(), SIGNAL(stateChanged(QLowEnergyService::ServiceState)), this,
                     SLOT(stateChanged(QLowEnergyService::ServiceState)));
-            gattCommunicationChannelService.last()->discoverDetails();
+            	gattCommunicationChannelService.last()->discoverDetails();
+	        } else {
+    	        m_control->disconnectFromDevice();
+        	    return;
+	        }
         }
     }
 }

src/schwinn170bike.cpp

@@ -405,9 +405,13 @@ void schwinn170bike::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &schwinn170bike::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if(gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &schwinn170bike::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+        }
     }
 }
 

src/schwinnic4bike.cpp

@@ -478,8 +478,12 @@ void schwinnic4bike::serviceScanDone(void) {
     emit debug(QStringLiteral("serviceScanDone"));
 
     gattCommunicationChannelService = m_control->createServiceObject(QBluetoothUuid((quint16)0x1826));
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &schwinnic4bike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &schwinnic4bike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void schwinnic4bike::errorService(QLowEnergyService::ServiceError err) {

src/shuaa5treadmill.cpp

@@ -494,9 +494,14 @@ void shuaa5treadmill::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &shuaa5treadmill::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &shuaa5treadmill::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/skandikawiribike.cpp

@@ -405,8 +405,13 @@ void skandikawiribike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0xfff0);
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &skandikawiribike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this,
+                &skandikawiribike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void skandikawiribike::errorService(QLowEnergyService::ServiceError err) {

src/smartrowrower.cpp

@@ -413,8 +413,12 @@ void smartrowrower::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0x1234);
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &smartrowrower::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &smartrowrower::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void smartrowrower::errorService(QLowEnergyService::ServiceError err) {

src/snodebike.cpp

@@ -455,8 +455,12 @@ void snodebike::serviceScanDone() {
     emit debug(QStringLiteral("serviceScanDone"));
 
     gattCommunicationChannelService = m_control->createServiceObject(QBluetoothUuid((quint16)0x1826));
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &snodebike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &snodebike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void snodebike::errorService(QLowEnergyService::ServiceError err) {

src/solebike.cpp

@@ -495,8 +495,12 @@ void solebike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("49535343-fe7d-4ae5-8fa9-9fafd205e455"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &solebike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &solebike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void solebike::errorService(QLowEnergyService::ServiceError err) {

src/soleelliptical.cpp

@@ -543,8 +543,12 @@ void soleelliptical::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("49535343-fe7d-4ae5-8fa9-9fafd205e455"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &soleelliptical::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &soleelliptical::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void soleelliptical::errorService(QLowEnergyService::ServiceError err) {

src/solef80treadmill.cpp

@@ -862,9 +862,14 @@ void solef80treadmill::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &solef80treadmill::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &solef80treadmill::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/spirittreadmill.cpp

@@ -517,6 +517,7 @@ void spirittreadmill::serviceScanDone(void) {
 
     if (gattCommunicationChannelService == nullptr) {
         qDebug() << QStringLiteral("invalid service") << _gattCommunicationChannelServiceId.toString();
+		m_control->disconnectFromDevice();
         return;
     }
 

src/sportsplusbike.cpp

@@ -431,6 +431,7 @@ void sportsplusbike::serviceScanDone(void) {
 
     if (gattCommunicationChannelService == nullptr) {
         qDebug() << QStringLiteral("invalid service") << _gattCommunicationChannelServiceId.toString();
+		m_control->disconnectFromDevice();
         return;
     }
 

src/sportstechbike.cpp

@@ -328,6 +328,7 @@ void sportstechbike::serviceScanDone(void) {
 
     if (gattCommunicationChannelService == nullptr) {
         qDebug() << QStringLiteral("invalid service") << _gattCommunicationChannelServiceId.toString();
+		m_control->disconnectFromDevice();
         return;
     }
 

src/stagesbike.cpp

@@ -525,9 +525,14 @@ void stagesbike::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &stagesbike::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &stagesbike::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/tacxneo2.cpp

@@ -497,9 +497,14 @@ void tacxneo2::serviceScanDone(void) {
     auto services = m_control->services();
     for (const QBluetoothUuid &s : services) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &tacxneo2::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &tacxneo2::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/technogymmyruntreadmill.cpp

@@ -628,9 +628,14 @@ void technogymmyruntreadmill::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &technogymmyruntreadmill::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &technogymmyruntreadmill::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/truetreadmill.cpp

@@ -293,8 +293,12 @@ void truetreadmill::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("a026ee07-0a7d-4ab3-97fa-f1500f9feb8b"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &truetreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &truetreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void truetreadmill::errorService(QLowEnergyService::ServiceError err) {

src/trxappgateusbbike.cpp

@@ -898,7 +898,7 @@ void trxappgateusbbike::serviceScanDone(void) {
 
     if (gattCommunicationChannelService == nullptr) {
         qDebug() << QStringLiteral("invalid service") << uuid;
-
+		m_control->disconnectFromDevice();
         return;
     }
 

src/trxappgateusbtreadmill.cpp

@@ -654,6 +654,7 @@ void trxappgateusbtreadmill::serviceScanDone(void) {
             gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId2);
             if (gattCommunicationChannelService == nullptr) {
                 qDebug() << QStringLiteral("invalid service") << uuid;
+				m_control->disconnectFromDevice();
                 return;
             } else {
                 treadmill_type = TYPE::IRUNNING_2;
@@ -672,6 +673,7 @@ void trxappgateusbtreadmill::serviceScanDone(void) {
             }
         } else {
             qDebug() << QStringLiteral("invalid service") << uuid;
+			m_control->disconnectFromDevice();
             return;
         }
     }

src/ultrasportbike.cpp

@@ -365,8 +365,12 @@ void ultrasportbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId(QStringLiteral("0000fff0-0000-1000-8000-00805f9b34fb"));
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &ultrasportbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &ultrasportbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void ultrasportbike::errorService(QLowEnergyService::ServiceError err) {

src/wahookickrsnapbike.cpp

@@ -694,9 +694,14 @@ void wahookickrsnapbike::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
-                &wahookickrsnapbike::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+        if (gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+                    &wahookickrsnapbike::stateChanged);
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+            return;
+        }
     }
 }
 

src/yesoulbike.cpp

@@ -309,8 +309,12 @@ void yesoulbike::serviceScanDone(void) {
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0xFFF0);
 
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &yesoulbike::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if (gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &yesoulbike::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void yesoulbike::errorService(QLowEnergyService::ServiceError err) {

src/ypooelliptical.cpp

@@ -589,9 +589,13 @@ void ypooelliptical::serviceScanDone(void) {
     auto services_list = m_control->services();
     for (const QBluetoothUuid &s : qAsConst(services_list)) {
         gattCommunicationChannelService.append(m_control->createServiceObject(s));
-        connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
+        if(gattCommunicationChannelService.constLast()) {
+            connect(gattCommunicationChannelService.constLast(), &QLowEnergyService::stateChanged, this,
                 &ypooelliptical::stateChanged);
-        gattCommunicationChannelService.constLast()->discoverDetails();
+            gattCommunicationChannelService.constLast()->discoverDetails();
+        } else {
+            m_control->disconnectFromDevice();
+        }
     }
 }
 

src/ziprotreadmill.cpp

@@ -322,8 +322,12 @@ void ziprotreadmill::serviceScanDone(void) {
 
     QBluetoothUuid _gattCommunicationChannelServiceId((quint16)0xfff0);
     gattCommunicationChannelService = m_control->createServiceObject(_gattCommunicationChannelServiceId);
-    connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &ziprotreadmill::stateChanged);
-    gattCommunicationChannelService->discoverDetails();
+    if(gattCommunicationChannelService) {
+        connect(gattCommunicationChannelService, &QLowEnergyService::stateChanged, this, &ziprotreadmill::stateChanged);
+        gattCommunicationChannelService->discoverDetails();
+    } else {
+        m_control->disconnectFromDevice();
+    }
 }
 
 void ziprotreadmill::errorService(QLowEnergyService::ServiceError err) {