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26
Troubleshooting
Malfunction
Cause of malfunction / Trouble shoooting
Solenoid valve on the fuel pump
does not open
Test: Pressure switch (black)
Bridge in terminal box between
terminal 3 +4
Test: Connect solenoid valve 230
V externally
Oil pressure on the fuel pump is
too low
too high
Check pressure switch (black).
Solenoid valve is defect or dirty.
Clean filter, clean supply line, clean fuel pump.
Setting is wrong.
Clean fuel nozzle, or replace it.
Ignition does not function
Check ignition cable.
Charring of plug-in contacts by moisture.
Cable is broken
Check ignition transformer connections.
Transformer is defect
Ignition electrode has been falsely set or burnt
up.
Ventilator does not operate
Blower-/fuel pump motor is defect.
Check electrical equipment.
Check fuse in terminal box.
Coupling between burner motor and fuel pump
is defect.
Spray gun -
High-pressure hose
Gun drips
High pressure hose drips
Nozzle is clogged
Check for leakages.
Replace seals.
Replace O-ring under screwed connection.
Manometer indicates pressure, but no water
comes out of HP-hose – clean nozzle.
Sucking detergent
Detergent is not sucked
Pump sucks air.
Check hose clips.
Test:
Connect water line to the pump.
Water inlet: 2 - 4 bar pre-pressure. No water
must come from the detergent hose.
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Страница 30: ...30 Complete Assembly...
Страница 32: ...32 Electronics switchbox...
Страница 36: ...36 Combustion chamber...
Страница 38: ...38 Combustion chamber...
Страница 44: ...44 Valve housing...
Страница 48: ...48 Hose drum Special accessory Upgrade kit 44 152 2...
Страница 56: ...Reprint only allowed with the authorization of As date of 15 04 2009 Order No 30 702 1 R...