Troubleshooting - Kärcher HD 16/15-4 Cage Manual

monthly or after 500 operating hours
Change the oil in the high pressure pump.
Oil change
 For oil type refer to technical specifica-
tions.
 Turn out the oil drain screw.
 Drain the oil in a collection basin.
 Screw in oil drain plug.
 Fill in new oil slowly until the centre of
the oil level display.
Note
Air pockets must be able to leak out.

Troubleshooting

You can rectify minor faults yourself with
the help of the following overview.
If in doubt, please consult the authorized
customer service.
Risk of injury
Always switch off the appliance and pull out
the mains plug before care and mainte-
nance work.
Warning
Repair works may only be performed by the
authorized customer service.
Indicator lamp
The indicator lamps display the operating
states (green) and interruptions (red).
Reset:
 Set the appliance switch to "0".
 Wait for a while.
 Set the appliance switch to "I".
Operating status display
 Continuous green:
The appliance is now ready for opera-
–
tion.
 1x blinking green:
Operational readiness has expired after
–
30 minutes.
The appliance has switched off after 30
–
minutes of continuous operation (safety
if the high pressure hose bursts).
Fault indication
 Continuous red light:
Electrical problems in appliance
–
 Pull out the mains plug.
 Call Customer Service.
 1x blinking red:
High pressure side is leaky
–
 Check high pressure hose, hose con-
nections and hand spray gun for leaks.
 2x blinking red:
Engine overload/overheat
–
 Set the appliance switch to "0".
 Allow device to cool down.
 Set the appliance switch to "I".
Water pressure is too low
–
 Ensure adequate water line pressure.
 3x blinking red:
Fault in the voltage supply
–
 Check main connections and mains fuse.
 4x blinking red:
Power consumption is too high
–
 Call Customer Service.
Appliance is not running
No power
–
 Check whether the voltage indicated on
the type plate corresponds to the volt-
age of the socket.
 Check the mains connection cable for
damages.
Indicator lamp is blinking green
–
 Operational readiness period has expired.
Switch on/off the appliance again.
The water shortage fuse (option) was
–
triggered due to low water inlet pres-
sure.
The indicator lamp "lack of water" will il-
luminate.
 Check water inlet pressure, minimum
value see "Specifications".
Turn the device switch to "0" and turn
on again to restart the system.
Motor overloaded/ over-heated or elec-
–
trical circuit breaker or winding protec-
tion switch has got released.
 Switch off appliance and let it cool
down. Remove the cause of the prob-
lem. Turn on the appliance again.
– 8
EN 21