![background image](http://html2.mh-extra.com/html/karcher/332/332_operating-instructions-manual_3935193008.webp)
8
3. Care and Maintenance
Monthly or as Required
•••••
Clean the nozzle.
Remove dirt from the nozzle hole with a needle,
and rinse with water from the front.
•••••
Clean the strainer in the water connection. It can
be easily removed with a flat-nosed pliers.
Note:
Disconnect the appliance from the power mains before all repair work. Only authorized customer
service personnel may inspect electrical components.
4. Troubleshooting
Sub-zero Temperature Protection
•••••
Frost will destroy an appliance which has not
been completely emptied of water. Ideally, the
appliance shold be stored in a frost-free room.
In this chapter, we would like to give you some
hints on dealing with malfunctions yourself.
In all other cases or in the case of electrical faults,
please contact the authorized customer service.
Appliance does not Work
•••••
Check the mains voltage.
•••••
Check the connector cable for damage.
•••••
If the motor overheats, allow it to cool down for
a few minutes. Then switch back on again.
Appliance does not reach Operating
Pressure
•••••
Ventilate the appliance. (
→
Suction 2.)
•••••
Clean the strainer in the water connection.
•••••
Check the inlet water flow rate.
•••••
Check all inlet pipes to the pump for leaks or
blockage.
Strong Pressure Fluctuations
•••••
Clean the nozzle. Remove dirt from the nozzle
hole with a needle, and rinse with water from the
front.
Pump Leaks
•••••
3 drops per minute are permissible. In the case
of more serious leakage, you should contact the
authorized customer service.