What does Check 103 Long Range Radio mean?
When you get the 'Check 103 Long Range Radio' message on your Honeywell keypad it means that there is a problem with the cellualr communicator attached to your system.
The trouble may be caused by a severe drop in signal strength. Also, you will have this trouble if you've inadvertently turned on the section in programming that activates the cellular radio and you don't have one attached. The last reason for this error is if you've wired in a cellular radio and turned it on and programming and the radio hasn't been activated by a dealer such as ourselves.