Deutsch
11
Troubleshooting
몇
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
Remedy
Pump runs but does
not transport
Air in the pump
see chapter "Preparation" Diag. A and B
and the chapter "Operation"
Suction pipe blocked
Pull out the mains plug and clean the suc-
tion pipe
Pre-filter is dirty
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.
Pump does not run
or suddenly comes
to a standstill during
operations
Power supply interrupt-
ed
Check fuses and electrical connections
Pre-filter is dirty
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.
Pump stops, the dis-
play shows "Err1", all
lights blink.
Failure on the suction
side, pressure cannot
build up
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.
Flow meter is jammed
or missing.
Check for correct orientation. Clean flow
meter.
Press the “SET" button to restart.
English
21
