Nozzle worn
Supply voltage below r equired minimum
Voltage loss due to use of extension cable of
inadequate cr oss-section or excessive length
High pressur e system or pump hydraulic
circuit not watertight
POSSIBLE CAUSES
REMEDIES
TROUBLESHOOTING
PROBLEM
The motor buzzes but fails to start
Motor does not start
Excess noise
Oil leaks
Power cable damaged
Water filter fouled
Water supply pr essur e low
Air being sucked into the system
Air in pump
Adjustable nozzle positioned wr ongly
Water suction from external tank
Water temperature too high
Nozzle clogged
Worn seals
No electrical power
High pressur e cleaner in disuse for long
time
Problems with TSS device
Replace nozzle
Clean filter
Pull adjustable nozzle back (+)
Connect cleaner to mains water supply
Check the voltage of the mains supply line
High pressur e cleaner in disuse for long
time
The pump does not operate at the prescribed pressure
Sudden changes in pump pressure
Water leakages
For TSS MODELS ONLY: Motor starts even though the trigger is released
For TSS MODELS ONLY: No water when lever is operated (when supply hose is connected)
Turn on the water supply tap fully
Check that hose fittings are tight
Switch off the cleaner and operate the gun until a steady-
flow of water is obtained. Then switch cleaner back on
Reduce temperature
Disconnect power supply, discharge pressure and
clean with tool provided
Have seals replaced by an authorised servicecentre
Check that the plug is firmly in the socket and that
mains power is present. See also (§)
Consult instructions regarding extension cables
Release motor with a screwdriver, working
throughrear hole
(for models with this feature)
(fig. 6B)
Contact nearest service centre
Contact nearest service centre
Contact nearest service centre
Contact nearest service centre
§ If the motor stops and fails to restart, wait-2-3 minutes before restarting (OVERLOAD CUTOUT TRIPPED).
If thisfault occurs more than once, contact your service centre.
Ferm 7
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