17
FAULT DESCRIPTION POSSIBLE CAUSE REPAIR MEASURE
THE HEATER SHUTS
DOWN SHORTLY AFTER
ACTIVATION.
The burner’s fan is
activated but the
burner is not ignited.
The burner’s igniter has failed.
Contact failure
Contact the maintenance
service to repair the igniter.
Check the electrical wiring and
connections.
Incorrect fuel type
with high-grade diesel or fuel
oil.
The fuel contains water or other
impurities.
incorrect position.
precisely in the correct
position.
There is air in the fuel supply
system.
Bleed the fuel supply system.
Instructions on page10.
THE BURNER
PRODUCES SMOKE
AND ACCUMULATES
SOOT
Incorrect fuel type
with high-grade diesel or fuel
oil.
The fuel contains water or other
impurities.
The burner is not
receiving enough air.
The intake channel is blocked or
damaged.
Check the intake channel.
Contact an authorised
maintenance service.
The exhaust pipe is
blocked.
The exhaust gases may be
Clean the exhaust pipe
carefully or replace it.
The burner has failed
Contact an authorised
maintenance service to repair
the burner.
The combustion chamber is
sooty.
Contact an authorised
maintenance service to have
the heater swept.
THE WATER FAILS
TO HEAT UP OR
CIRCULATE.
The heater functions
but the water does not
heat up.
The set target temperature is
too low.
Adjust the target temperature
to the desired level.
There is air in the water pipes.
level and the operation of the
circulation pump.
The circulation pump has failed.
The circulation pump
is noisy.
There is air in the water pipes.
level and the operation of the
circulation pump.
The circulation pump has failed.
Contact an authorised
maintenance service to have
the circulation pump repaired.
Contact information for the Rexener maintenance service:
Telephone: +358 400 470 915
E-mail: huolto@rexnordic.com
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