CA11-130 Manual

27
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 lter, 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.