Troubleshooting - Ryobi EHP-4011 Use And Maintenance

interno1e 4-02-2003
10
English

TROUBLESHOOTING

Nozzle worn
Water filter fouled
Water supply pressure low
Air being sucked into the system
Air in pump
Adjustable nozzle positioned wrongly
Water suction from external tank
Water temperature too high
Nozzle clogged
Worn seals
No electrical power
Supply voltage below required minimum
Voltage loss due to use of extension cable of
inadequate cross-section or excessive length
High pressure cleaner in disuse for long
time
High pressure cleaner in disuse for long
time
Problems with TSS device
High pressure system or pump hydraulic
circuit not watertight
§ If the motor stops and fails to restart, wait-2-3 minutes before restarting (OVERLOAD CUTOUT TRIPPED). If this
fault occurs more than once, contact your service centre.
18:44 Pagina 10
The pump does not operate at the prescribed pressure
Sudden changes in pump pressure
The motor buzzes but fails to start
Motor does not start
Water leakages
Excess noise
Oil leaks
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)
Power cable damaged
Replace nozzle
Clean filter
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
Pull adjustable nozzle back (+)
Connect cleaner to mains water supply
Reduce temperature
Disconnect power supply, discharge pressure
and clean with tool provided
Have seals replaced by an authorised service
centre
Check that the plug is firmly in the socket and that
mains power is present. See also (§)
Check the voltage of the mains supply line
Consult instructions regarding extension cables
Release motor with a screwdriver, working through
rear hole (for models with this feature)
Contact nearest service centre
Contact nearest service centre
Contact nearest service centre
Contact nearest service centre
(fig. 6B)