Heater switches off automatically (= fault lock-out)
Cause
No combustion after start.
Flame extinguishes during operation. Switch heater off and then on again.
Heater switches off due to over-
heating, e.g. lack/loss of coolant.
Electrical system voltage too low.
Combustion air and/or exhaust
system blocked.
Remedy
Switch heater off and then on again.
Top up with coolant and press the
temperature limiter button or fit a new
temperature fuse.
Charge battery
Switch heater off and then on again.
Check that the combustion air and
exhaust systems are clear.
GB
25