Fault Description | System Behaviour |
---|---|
No light | No power at control board |
Light on | Appliance on but not operating during demand |
Slow flash ( mostly off flashes on) | Ignition lockout |
Slow flash ( mostly on flashes off) | Flue overheat or heat exchanger overheat |
Fast flash | Volatile lockout sensor fan or code plug |
2 pulses | Check service mode switch is in minimum position |
5 pulses | Check service mode switch is in max position |