Servicing Manual
15
•
See chapter 3.12
THE HEATER STARTS,
FLAME IGNITES BUT
COMBUSTION IS NOT
GOOD
Check the nozzle size
Check that the pump filter is
clean
Check that the fuel filter is
clean
Check the air lock adjustment
Check that the nozzle is clean
Check that there are no air
bubbles in the fuel line
Fuel is
of incorrect type
, dirty,
polluted or contains water
•
Empty the tank and refill with
clean fuel of correct type
•
Measure and adjust the pressure
•
Replace the pump (see chapter
3.12)
Incorrect fuel pressure
•
Tighten fittings
•
Replace faulty pipes/hoses
yes
no
•
See setting chart
•
Look for the correct nozzle size
on the setting chart.
•
Replace if necessary
•
See chapter 3.7
•
See chapter 3.8
•
Replace the nozzle