Kärcher BPE 4200/50 Betriebsanleitung Seite 21

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
Pump runs but does
not transport
Pump does not run
or suddenly comes
to a standstill during
operations
Pump stops, the dis-
play shows "Err1", all
lights blink.
Troubleshooting
Cause
Air in the pump
Suction pipe blocked
Pre-filter is dirty
Power supply interrupt-
ed
Pre-filter is dirty
Failure on the suction
side, pressure cannot
build up
Flow meter is jammed
or missing.
Remedy
see chapter "Preparation" Diag. A and B
and the chapter "Operation"
Pull out the mains plug and clean the suc-
tion pipe
Remove the prefilter and the backflow
valve and clean them under flowing wa-
ter, rinse any dirt residues from the fill
neck by opening the discharge opening.
Check fuses and electrical connections
Remove the prefilter and the backflow
valve and clean them under flowing wa-
ter, rinse any dirt residues from the fill
neck by opening the discharge opening.
Remove the prefilter and the backflow
valve and clean them under flowing wa-
ter, rinse any dirt residues from the fill
neck by opening the discharge opening.
Check connections on the suction side
for leakage.
Press the "SET" button to restart.
Check for correct orientation. Clean flow
meter.
Press the "SET" button to restart.
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