Further clarified the error message in checkMaxSubsequentTimeouts.

src/sinqController.cpp

@@ -505,7 +505,8 @@ asynStatus sinqController::checkMaxSubsequentTimeouts(int timeoutNo, int axisNo,
             asynPrint(
                 this->pasynUserSelf, ASYN_TRACE_ERROR,
                 "Controller \"%s\", axis %d => %s, line %d:\nMore than %d "
-                "subsequent communication timeouts.\n",
+                "subsequent communication timeouts. Check whether the "
+                "controller is still running and connected to the network.\n",
                 this->portName, axisNo, __PRETTY_FUNCTION__, __LINE__,
                 maxSubsequentTimeouts_);