What to do with Yellow LED - 9 Flashes on DSC TL280?
- Ggina21Sep 4, 2025
If the DSC Cell Phone shows a Yellow LED flashing 9 times, it indicates an FTC (Failed To Communicate) trouble. The unit has exhausted all communication attempts to all programmed receivers for events generated by the communicator. Restart the system. If the trouble persists, contact your dealer.














