Kärcher 397 M plus, User Manual

Page: 10 / 16

10
HELP WITH FAULTS
Fault Cause Remedy
Unit does not run Power supply interrupted Draw out power plug! Check power cord,
power plug, extension cable and cable
connections for damage
Unit does not come up to pressure Spray lance set to “–” Set spray lance to “+”
In suction operation – unit not vented Vent unit, see “Operation”
Strainer in water inlet blocked Clean strainer, see “Care and Maintenance”
Water supply quantity too low Check the water supply to the water inlet of
the unit for leaks and throughput
Strong pressure fluctuations High-pressure nozzle in spray lance blocked Take off the spray lance, clean the hole in the
high-pressure nozzle with a needle and rinse
through with water again
Water comes out of the housing underside Pump leaking 3 drops per minute are acceptable. For
greater leakages contact the customer service
Cleaning agent is not drawn in Spray lance set to “+” Set spray lance to “–”
Cleaning agent valve in the cleaning agent
suction hose blocked Clean cleaning agent metering valve, see
“Care and Maintenance”
Faults often have simple causes which you can
rectify yourself with the aid of the following
summary. In case of doubt or of faults or
remedies not mentioned here apply to the
authorized customer service.
!
Danger of electric shock!
Repair work on the unit can only be carried out
by the authorized customer service.
Replacement parts
Use exclusively Kärcher original replacement
parts. You will find a replacement parts
summary at the end of these operating
instructions.
Customer Service
In the case of questions or faults our Kärcher
branches will be pleased to assist you further: