SERVC COMM FAIL is the response on D7212B, D7212B1 or D9112B command centers after 10 unsuccessful attempts to communicate to the receiver. It is a similar response to newer 7000/9000 (G and GV2) series panels that return COMM FAIL RTE # after 10 unsuccessful communication attempts.
Notes
For more information see:
74-06913-000-B D7212B Operation & Installation manual pg. 28
74-06144-000-C D9112B Operation & Installation manual pg. 28
