Troubleshooting - Kärcher HDS 5/11 U Original Instructions Manual

Troubleshooting

Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
Appliance is not running
No power
–
 Check power connection/conduit.
Engine overload/overheat
–
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
 If malfunction still occurs, have device
checked by customer service.
The exhaust temperature limiter has
–
been triggered, heating coil is sooted.
 Have device de-sooted by customer
service.
The exhaust temperature limiter has
–
been triggered, exhaust temperature
too high.
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Only in devices with manual reset:
Illustration
Press reset button of the exhaust tem-
perature limiter.
 Turn on the appliance.
 If malfunction still occurs, have device
checked by customer service.
Device is not building up pressure
Air within the system
–
Vent pump:
 With open hand spray gun turn device
on and off multiple times with the device
switch.
Note: By dismantling the spray lance from
the hand spray gun, the venting process is
accelerated.
24
 Fill/replace external detergent contain-
er if empty.
 Check connections and conduits.
Filter in the water connection is dirty
–
 Clean filter.
Amount of water supply is too low.
–
 Check water supply level (refer to tech-
nical data).
Water tap is closed.
–
 Open tap.
Device continuously turns on and
off while hand spray gun is open
Air within the system
–
Vent pump:
 With open hand spray gun turn device
on and off multiple times with the device
switch.
Note: By dismantling the spray lance from
the hand spray gun, the venting process is
accelerated.
High-pressure nozzle clogged
–
 Clean the nozzle.
Heating coil has heavy calcium deposits
–
 Have the device decalcified by custom-
er service.
Device turns on and off while hand
spray gun is closed
Leak in the high pressure system
–
 Check high pressure system and con-
nections for tightness.
Device leaks, water drips from the
bottom of the device
Pump leaks, safety valve not tight.
–
Note: 3 drops/minute are allowed.
 With stronger leak, have device
checked by customer service.
– 8
EN