Troubleshooting - Kärcher HD 5/12 C Mode D'emploi

Weekly
Check oil level Please contact Cus-

tomer Service immediately if the oil
is milky (water in oil).
Clean the sieve in the water con-

nection.
Clean filter at the detergent suck

hose.
monthly or after 500 operating
hours
Oil change.

Oil change
Note
See "Technical Details" for details of oil
quantity and type.
Unscrew the fastening screws of

the device hood; remove the device
hood.
Remove the lid of the oil container.

Tilt the appliance forward.

Drain the oil in a collection basin.

Fill in new oil slowly; air bubbles

should go out.
Attach the lid of the oil container.

Fasten the device hood.


Troubleshooting

Danger
First pull out the plug from the
–
mains before carrying out any tasks
on the machine.
Get the electrical components
–
checked and repaired only by au-
thorised customer service persons.
Contact an authorised customer
–
service person in case of problems
not mentioned in this chapter or if
you are in doubt or when you have
been explicitly asked to do so.
Appliance is not running
Check connection cable for damag-

es.
Check the supply voltage.

Call Customer Service in case of

electrical defects.
Pressure does not build up in the
Set nozzle to "High pressure".

Clean the nozzle.

Replace the nozzle.

Deaerate the appliance (see "Start-

up")
Check water supply level (refer to

technical data).
Clean the sieve in the water con-

nection.
Check all inlet pipes to the pump.

Contact Customer Service if need-

ed.
3 drops per minute are permitted and
can come out from the lower side of the
appliance. Call Customer Service if
there is heavy leakage.
With stronger leak, have device

checked by customer service.
Pump is vibrating
Check suction pipes for water and

detergent and ensure that they are
leak-proof.
Close dosing valve for detergent to

operate the machine without deter-
gent.
Deaerate the appliance (see "Start-

up")
Contact Customer Service if need-

ed.
– 9
EN
appliance
Pump leaky
11