25
Troubleshooting
Malfunction Cause of malfunction / Trouble shooting
Machine does not switch off
Test: Jumper (red) pressure switch
Check return body and O-ring in unloader of the
valve housing.
Check pressure switch (red).
Check micro switch.
Check cable connections.
Board is defect.
Appliance does not start or
stopps during operation
Check electricity supply.
Check main switch.
Check cable connections.
Check board.
Check pressure switch.
Switch off b
overcurrent release.
Heating (burner)
Fuel pump/blower operates, but
burner does not heat.
Fuel pump/blower does not
operate.
- Pump makes lots of noise
- Fuel operating pressure has not
been reached
Coupling between burner motor
and fuel pump is broken
Set water temperature is reached.
Increase temperature on thermostat with rotary
control switch.
Open gun, until temperature drops.
Fuel tank is empty.
Fuel filter is dirty.
Fuel nozzle is dirty.
Blower/fuel pump motor is defect.
Check electrical equipment.
Check fuse in terminal box.
Coupling between burner motor and fuel pump
is defect.
Water in fuel tank.
Dirt or rust in the fuel pump.
Clean tank.
Replace fuel pump.
Burning
Smoke during operation
Smoke after switching off
Fuel is dirty.
Nozzle or nozzle stock leaks.
Water in tank.
To Next Page
Loading...
Need help?
General
