i just got a new alarm from adt! Set it on instant last night and did great until 4.53 am when it just started beeping for no reason. it said something about some kind of test. all i did was hit off and it stopped! So i put it back on instant awhile ago and it says its armed but it keeps flashing back and forth to "103 check LngRng radio" what does this mean?
adt alarm?
- Thread starter cstreet
- Start date
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A
Alarm
Yep call ADT and tell them " 103 check LngRng radio".
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