Troubleshooting - Kärcher BP 4 Deep Well Originalbetriebsanleitung

Danger
To avoid risks, all repairs and re-
placement of spare parts may
only be carried out by authorized
customer service personnel.
Fault
Pump runs but
does not transport
Pump does not run
or suddenly comes
to a standstill dur-
ing operations
Pumping capacity
is reducing
Pumping capacity
too low
Spacer foot defec-
tive
Our Kärcher branch will be pleased to help you further in the case of questions or
faults. See address on the reverse.
20

Troubleshooting

Cause
Air in the pump
Suction area blocked
Water level below mini-
mum water level
Power supply interrupt-
ed
Thermal protection
switch in the motor has
switched off the pump
as it was overheated.
Dirt particles have got
jammed into the suction
area
Fuse at the switch cabi-
net has tripped.
Suction area blocked
The pumping capacity
depends on the flow
height, hose diameter
and hose length.
Mechanical effect on
the spacer foot (fall).
First pull out the plug from the
mains before carrying out any
tasks on the machine.
Remedy
Switch the pump on and off several
times until fluid is drawn.
Switch off the pump, pull the mains
plug and clean the intake area.
Immerse the pump deeper into the
liquid, if possible.
Check fuses and electrical connec-
tions
Switch off the pump, pull the mains
plug, allow the pump to cool down,
clean intake area, prevent dry run-
ning.
Switch off the pump, pull the mains
plug and clean the intake area.
Switch off the pump, pull the mains
plug, clean the pump and flush if
necessary, operate the safety
switch.
Switch off the pump, pull the mains
plug and clean the intake area.
Keep max. flow height, see techni-
cal data. If necessary, select a dif-
ferent hose diameter or hose
length.
Unscrew the defective spacer foot
using a hexagon key (SW6) and re-
place it (spare part).
– 7
EN