Operating instructions

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Danger
Risk of accident while working on the unit!
During all tasks:
 Remove voltage from and secure high
pressure pump at the main switch.
 Shut off the cleaning liquid supply.
 Pull the power plug or shut off power
supply.
 Operator
Work designated with the sign “Opera-
tor” may only be carried out by persons
who have been instructed in the safe
operation and maintenance on the high
pressure plant.
 Electricians
Only persons with a professional train-
ing in the electro-technical area.
 Customer Service
Tasks with the note "Service" must only
be performed by the Kärcher aftersales
service.
Troubleshooting
Troubleshooting notes Who may remedy faults?
Troubleshooting
Fault Possible cause Remedy of whom
Motor does not turn. There is no voltage at the motor. Check fuses and cables. Electricians
Protective motor switch was trig-
gered.
Fix cause for overload, reset motor protection
switch.
Electricians
Error current protective switch was
triggered.
Remove cause and reset error current protective
switch.
Electricians
Motor does not turn, clean-
ing head does not turn
Mechanical defect on:
– Coupling parts
– Drive shaft
– Gears
Check parts and replace defective parts. Customer Service
Cleaning head turns too
abruptly
Worn drive discs cause increased
bevel play.
Replace drive discs. Customer Service
Destroyed gears on bevel wheels. Replace bevel wheels. Customer Service
Uneven cleaning jet Spray nozzles clogged. Clean spray nozzles. Operator
Spray nozzles damaged. Replace spray nozzles. Operator
27EN