Caution
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
Pump runs
Air in the pump
but does not
transport
Suction area blocked
(only in manual mode) Water
level below the minimum water
level
Pressure hose is blocked
Locking tap is closed (arrow
horizontal).
Pump does
Power supply interrupted
not run or sud-
denly comes
Thermal protection switch in the
to a standstill
motor has switched off the
during opera-
pump as it was overheated.
tions
Dirt particles have got jammed
into the suction area
Pump operation stopped by
sensor
Pumping ca-
Suction area blocked
pacity is re-
ducing
Pumping ca-
The pumping capacity depends
pacity too low
on the flow height, hose diame-
ter and hose length.
Our Kärcher branch will be pleased to help you further in the case of questions or faults.
See address on the reverse.
Troubleshooting
Remedy
Plug in/ pull out the mains plug of the
pump a few times till the fluid gets
sucked
Pull out the mains plug and clean the
suction area
Where possible, immerse the pump
deeper into the liquid or proceed ac-
cording to the instructions in the chap-
ter describing the preparations
necessary for automatic operation
Pull out the mains plug and clean the
pressure hose
Open the locking tap (arrow vertical).
Check fuses and electrical connec-
tions
Pull out the mains plug, let the pump
cool down, clean the suction area,
prevent dry running
Pull out the mains plug and clean the
suction area
Check position of level sensor
Pull out the mains plug and clean the
suction area
Keep max. flow height, see technical
data. If necessary, select a different
hose diameter or hose length.
– 6
EN
17