rtr12 posted:It MUST be the phone handset cord (curly one) for things to work properly
& make sure it has all 4 wires
I believe some have only two
Is this the same TIU that you're using with the app? If it is, it's probably OK. Still might have the loose board though?
I agree that the remote is the more likely one to have a loose transceiver board. We tend to smack that around a bit more with rough handling.