Karcher HDS 5-11 UX - Manual (Page 24)

– 8
ƽ
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.
– 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.
– 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.
 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.
– 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.
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
– Pump leaks, safety valve not tight.
Note: 3 drops/minute are allowed.

With stronger leak, have device
checked by customer service.
Troubleshooting
Appliance is not running
Device is not building up pressure
Device continuously turns on and
off while hand spray gun is open
Device turns on and off while hand
spray gun is closed
Device leaks, water drips from the
bottom of the device
24 EN