How to Troubleshoot Missing Door Point on the Access Module B901, D9210C, D9210B

Issue

The keypad displays the Access Module Door Point is in trouble. Diagnostics displays the point as missing.

Solution

T+ (Tamper Input) of the Access Module is an unsupervised input that is normal when open. Upon a short, the Door Point number assigned to the supervised zone of the Access Module is reported as a MISSING PT###.