Heater switches off automatically (= fault lock-out)
Cause
GB
No combustion after start
Flame extinguishes during operation Switch heater off and then on again
Heater overheats
Electrical system voltage too low
28
Remedy
Switch heater off and then on again
Check that the heating air flow is clear
Reset temperature limiter
Switch heater off and then on again
Charge battery
Switch heater off and then on again