Pace Arrow Zone AC Not Working - How to Fix Blinking Green LED Error Code
Blinking LED on zone AC control board indicates fault. Zone 2 steady green means its working. Try swapping boards to confirm zone 1 board failure, then replace if confirmed.
Blinking LED on zone AC control board indicates fault. Zone 2 steady green means its working. Try swapping boards to confirm zone 1 board failure, then replace if confirmed.