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Troubleshooting
Malfunction Cause of malfunction / Trouble shoooting
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.
Burning
Smoke during operation
Smoke after switching off
Fuel is dirty.
Nozzle or nozzle stock leaks.
Water in tank.
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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