What causes a Failure to Communicate error on a DSC Control Panel?
- NNancy MillerNov 26, 2025
A Failure to Communicate error on your DSC Control Panel indicates that the panel is unable to communicate one or more events to the central station. To troubleshoot, connect a headset to TIP and RING of the control panel and monitor for a continuous dial tone, reversed TIP and RING, or a recorded operator message. Verify the correct phone number is programmed. Dial the programmed number using a regular telephone to determine if a [9] must be dialed or if 800 service is blocked. Ensure the format programmed is supported by the central station. Verify that the account number and reporting codes are correctly programmed. Note that for Contact ID and Pulse formats, program a HEX [A] to transmit a digit [0] in SIA format, and program a digit [0] to transmit a digit [0]. If the panel transmits ...










