COMM FAULT 1 / COMM FAULT 2trouble
Fire-Lite MS-9200UDLS: COMM FAULT 1 / COMM FAULT 2
Fire-Lite MS-9200UDLS·1 view·0 field notes
What This Code Means
Indicates a communication failure between the panel's internal Digital Alarm Communicator/Transmitter (DACT) and the central station.
Common Causes
- 1Phone line 1 or 2 failure (Telco Line Fault)
- 2Communication failure with the Central Station receiver
- 3Incorrectly programmed phone numbers or account codes
- 4Disconnected or faulty telephone wiring
Resolution Steps
Press the Acknowledge switch to silence the piezo and turn the System Trouble LED on steady. Check the status and physical connections of the telephone lines (Telco Line 1 and 2) to the panel. Verify that the central station phone numbers and account codes are correctly programmed in the system settings. If the trouble clears, the system will automatically return to normal operation status.