How Do I Turn Off Long Range Radio On Vista 20P? Deactivating the long-range radio on your VISTA 20P alarm can be done by entering your system's programming code. Once in programming mode, tap [*] and [29] and press the no option when prompted to enable IP/GSM. After following these steps, you can exit programming mode to complete the process.. The message "103 check lngrng radio" on your ADT System means that there is a problem with the system's backup communicator.The message will appear on an Alphanumeric Keypad for an ADT Safewatch Pro 2000 System or an ADT Safewatch Pro 3000 System that is experiencing communication issues.. An ADT Safewatch Pro System is actually just a re-branded Honeywell VISTA System.
The warning message ADT 103 check lngrng radio is of great importance. It indicates some sort of problem regarding the system backup communicator. It mostly appears on ADT Safewatch Pro 2000 and Pro 3000 systems when you're experiencing communication instability.. SOLVED - 103 Check LngRng Radio Alarm System FAST FIX. JRMSweeps Long Range Radio Error ADT Honeywell constant beeping sound all of a sudden on ADT alarm sys.