– 7
Troubleshooting
Danger
To avoid risks, all repairs and replacement of spare parts may only be carried out by au-
thorized customer service personnel.
First pull out the plug from the mains before carrying out any tasks on the machine.
Fault Cause Remedy
Pump runs but does not
transport
Air in the pump see chapter "Preparation" fig. A
and B and and chapter "Opera-
tions" fig. C
Suction pipe blocked Pull out the mains plug and
clean the suction pipe
Pre-filter is dirty Remove the pre-filter and clean
it under flowing water; rinse out
residual dirt, if any, in the filter
intake by opening the drain.
Pump does not run or
suddenly comes to a
standstill during opera-
tions
Power supply interrupted Check fuses and electrical con-
nections
Motor protection fuse
switched off the motor be-
cause of overheating
Pull out the mains plug, let the
pump cool down, clean the suc-
tion area, prevent dry running
Pump transports is re-
ducing or transported
quantity is too low
Suction pipe blocked Pull out the mains plug and
clean the suction pipe
Pre-filter is dirty Remove the pre-filter and clean
it under flowing water; rinse out
residual dirt, if any, in the filter
intake by opening the drain.
Suction side is leaky Check the entire suction side for
leaks
The quantity transported by
the pump depends on the
transport height and the con-
nected periphery
Keep max. flow height, see
technical data. If necessary, se-
lect a different hose diameter or
hose length.
Our Kärcher branch will be pleased to help you further in the case of questions or faults.
See address on the reverse.
