Lavor Darwin Bedienungsanleitung Seite 27

FAULT PROBABLE CAUSE
1. The pump does 1. The plug is not properly connected to the
not start when the socket.
switch is 2. The electrical socket is not working.
pressed. 3. The mains voltage is insufficient.
4. The gauge of the electrical power lead is too
small.
5. The pump has cut out.
2. The machine starts, 6. Pump, hoses or accessories frozen.
but no water comes 7. No water supply.
out.
8. Water filter fouled.
9. Nozzle fouled.
3. The pump runs but 10. Insufficient water.
pressurisation does 11. Suction filter fouled.
not 12. Pressure regulator valve (if fitted) on mini-
take place. mum pressure setting.
13. Lance nozzle worn.
14. Suction or delivery valves fouled or worn.
4. Uneven working 15. Lance nozzle fouled or dirty.
pressure. 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.
5. The motor stops 21. Machine's safety overload cutout has been
suddenly. tripped.
22. The gauge of the electrical power lead is
too small.
6. Water leaks from 23. Leaks from hose reel (if used).
the
machine. 24. Leaks from intake coupling.
25. Leaks from pump.
7. Abnormal noise. 26. Suction filter fouled.
27. Intake water temperature too high.
28. Suction or delivery valves fouled or worn.
29. Bearings worn.
8. Water in the oil. 30. O-ring seals worn.
TROUBLESHOOTING
REPAIR
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.
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 "MAINTE-
NANCE" section).
9. Remove the lance from the gun and clean the
nozzle with the pin provided.
10. Check that the delivery rate is at least 12 l/
min.
11. Remove and clean the filter (see "MAINTE-
NANCE" section).
12. Increase the pressure by turning the
handgrip.
13. Replace the lance.
14. Contact an authorised service centre.
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 "MAINTE-
NANCE" section).
18. Contact an authorised service centre.
19. Contact an authorised service centre.
20. Contact an authorised service centre.
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.
23. Tighten the couplings; if the problem per-
sists 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.
26. Remove and clean the filter (see "MAINTE-
NANCE" section).
27. Reduce the temperature below 40°C.
28. Contact an authorised service centre.
29. Contact an authorised service centre.
30. Contact an authorised service centre.
EN
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