Problem
Motor fails to rotate.
The equipment starts, the
flame is ignited and the
equipment blocks.
The equipment starts, the
flame does not ignite and
the the equipment blocks.
The equipment starts but
combustion is not correct.
The appliance blocks too
soon for tripping of the
thermostat.
7. Troubleshooting
Cause
No power.
Faulty cable.
Environment thermostat set too low.
Protection cap of thermostat outlet not
inserted.
The safety thermostat has been tripped.
No oil.
Oil filter clogged.
The oil pump does not build up pressure.
Leaks in oil pipes.
Burner nozzle clogged.
Ignition defect or electrodes in incorrect
position or dirty.
Nozzle clogged.
Leaks in oil pipes.
Oil pump provides only low pressure.
The photo-electric cell does not receive
sufficient light or is faulty.
Insufficient ventilation.
Safety thermostat in incorrect position.
Faulty safety thermostat.
Remedy
Check main on/off swiych and power line.
Have cable replaced by a qualified technican.
Turn the thermostat to a higher temperature.
Insert protection cap in thermostat outlet.
Reset safety thermostat.
Fill the oil tank.
Clean or replace the oil filter.
Contact qualified personnel.
Check the pipes and if necessary replace.
Clean or replace the nozzle.
Consult qualified personnel.
Clean or replace the nozzle.
Check and if necessary replace oil pipes.
Consult qualified personnel.
Clean the photo-electric cell; if this is not suf-
ficient, consult qualified personnel.
Consult qualified personnel.
Check position of safety thermostat.
Consult qualified personnel.
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