Troubleshooting - Kärcher SDP 18000 IQ Level Sensor Handbuch

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
Pumping capacity is
reducing
Pumping capacity too
low
Pump runs but does
not transport
Pump does not run or
suddenly comes to a
standstill during oper-
ations
Pump no longer
switches on or off in
spite of the IQ Level
Sensor
Pump switches on and
off consecutively
Our Kärcher branch will be pleased to help you further in the case of questions or faults.
See address on the reverse.
18

Troubleshooting

Cause
Suction area blocked
The pumping capacity de-
pends on the flow height, hose
diameter and hose length.
Air in the pump
Suction area blocked
Water level below minimum
water level
Power supply interrupted
Thermal protection switch in
the motor has switched off the
pump as it was overheated.
Dirt particles have got jammed
into the suction area
Pump operation stopped by IQ
Level Sensor
IQ Level Sensor is contaminat-
ed
Water returning from the hose
switches the pump back on.
EN
Remedy
Pull out the mains plug and clean
the suction area
Keep max. flow height, see tech-
nical data. If necessary, select a
different hose diameter or hose
length.
Press the deaeration key or
switch on/off the pump many
times at the mains plug by oper-
ating the on/off switch a couple
of times till the fluid is being
sucked
Pull out the mains plug and clean
the suction area
Immerse the pump when possi-
ble in the fluid to be transported
or for SCP 16000 proceed as de-
scribed in flat suction.
Check fuses and electrical con-
nections
Pull out the mains plug, let the
pump cool down, clean the suc-
tion area, prevent dry running
Pull out the mains plug and clean
the suction area
Check the position of the IQ Lev-
el Sensor.
Clean the IQ Level Sensor with
clear water and a cloth.
Use the included backflow valve
– 6