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5.
Trouble Shooting
Repairs or service of electrical components may only be made by authorized
specialists!
Fault
Cause
Remedy
Main switch on position 1,
No electricity.
Check if there is power.
heater does not start
Setting of room
Reset thermostat.
thermostat. The preset
temperature is lower than
the ambient temperature.
Safety thermostat
Push reset button of
shuts off.
safety thermostat.
Restart heater.
Burner starts shortly and
Lack of fuel.
Check oil level in tank.
shutts off. The red lamp
lights up.
Air bubbles in the
Check fuel suction - and
suction line.
return line.
Control-lamp =
push reset button.
On initial start the burner
Lack of fuel.
Push the rest button until
runs shortly and shutts off.
enough fuel is injected.
Air bubbles in the
suction line.
There is not enough
fuel.
Burner shuts off during
Fuel filter dirty.
Clean (replace) fuel
operation.
filter.
Photo cell dirty.
Clean the photo cell
carefully.
Nozzle dirty or defect.
Replace nozzle.
If your heater does not work properly in spite of these checks, call your nearest
service.
