EN
17
TROUBLESHOOTING
FAULT
PROBABLE CAUSE
REPAIR
1. The pump does not
start when the switch is
pressed.
1. The plug is not properly connected to the socket.
2. The electrical socket is not working.
3. The mains voltage is insufficient.
4. The gauge of the electrical power lead is too small.
5. The pump has cut out.
1. Connect the plug to the power socket correctly.
2. Have the electrical socket checked.
3. Check that the system is suitable.
4. Refer to the section detailing the electrical connection.
5. Turn the switch to ON while keeping the gun lever pressed;
if the problem persists contact an authorised service centre.
2. The machine starts, but
no water comes out.
6. Pump, hoses or accessories frozen.
7. No water supply.
8. Water filter fouled.
9. Nozzle fouled.
6. Allow the pump and hoses to thaw.
7. Connect the machine to the water supply system and turn
on the tap.
8. Remove and clean the filter (see “MAINTENANCE” section).
9. Remove the lance from the gun and clean the nozzle with
the pin provided.
3. The pump runs but
pressurisation does not
take place.
10. Insufficient water.
11. Suction filter fouled.
12. Pressure regulator valve (if fitted) on minimum
pressure setting.
13. Lance nozzle worn.
14. Suction or delivery valves fouled or worn.
10. Check that the delivery rate is at least 12 l/min.
11. Remove and clean the filter (see “MAINTENANCE” section).
12. Increase the pressure by turning the handgrip.
13. Replace the lance.
14. Contact an authorised service centre.
4. Uneven working
pressure.
15. Lance nozzle fouled or dirty.
16. Air in intake water.
17. Suction filter fouled.
18. Suction or delivery valves fouled or worn.
19. Gaskets worn.
20. Pressure regulator valve gaskets worn.
15. Remove the lance from the gun and clean the nozzle with
the pin provided.
16. Supply the machine with water correctly.
17. Remove and clean the filter (see “MAINTENANCE” section).
18. Contact an authorised service centre.
19. Contact an authorised service centre.
20. Contact an authorised service centre.
5. The motor stops
suddenly.
21. Machine’s safety overload cutout has been tripped.
22. The gauge of the electrical power lead is too small.
21. Allow the motor to cool for a few minutes. If the problem
persists contact an authorised service centre.
22. Refer to the section detailing the electrical connection.
6. Water leaks from the
machine.
23. Leaks from hose reel (if used).
24. Leaks from intake coupling.
25. Leaks from pump.
23. Tighten the couplings; if the problem persists contact an
authorised service centre.
24. Make sure that the coupling has been fitted correctly (See
illustrations in the “INSTALLATION” section).
25. Contact an authorised service centre.
7. Abnormal noise.
26. Suction filter fouled.
27. Intake water temperature too high.
28. Suction or delivery valves fouled or worn.
29. Bearings worn.
26. Remove and clean the filter (see “MAINTENANCE” section).
27. Reduce the temperature below 40°C.
28. Contact an authorised service centre.
29. Contact an authorised service centre.
8. Water in the oil.
30. O-ring seals worn.
30. Contact an authorised service centre.
9. The machine restarts
with the gun released
(versions with A.S.S.).
31.Water leak from hose - gun connection (except models
with hose and gun supplied readyconnected).
32. Air in intake water.
33.Water leak from the gun.
34.Water leak from the pump.
31. Tighten the connection with 2 spanners.
32. Supply the machine with water correctly.
33. Contact an authorised service centre.
34. Contact an authorised service centre.
10.The machine does not
suck in detergent.
35. Tank empty.
36. Lance handgrip on high pressure setting (if present).
37. Transparent suction pipe damaged or disconnected.
35. Fill the tank.
36. Move it to the low pressure setting by pulling the lever
towards the nozzle.
37. Reconnect the pipe. If the problem persists contact an
authorised service centre.
11.Turning on the burner
switch the boiler doesn’t
start.
38.No fuel
39.Fuel filter is clogged
40.Fuel pump is either blocked or burnt out
41.Damaged thermostat
42.Ignition spark insufficient or totally lacking
43.The space among the electrodes is not correct
38.Check the level in the tank and check whether the rigid
suction pipe is clean
39.Replace the line filter
40.Replace it.
41.Replace it.
42.Contact an authorised service centre.
43.Contact an authorised service centre.
