Troubleshooting
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Troubleshooting
Explanation/Cause of
error
Troubleshooting
Water leaks from the lower
drain outlet, backwash
filter cannot be closed by
means of the control unit
A particle got stuck
between the lower suction
nozzle and the filter funnel
Mechanical blockage in the
backwash filter
Carry out several backwash
processes.
If water continues to escape,
check the filter for foreign
particles and for damage at
the built-in parts.
Gasket at the lower suction
nozzle defective or worn
Check the gasket of the drain
nozzle and replace the
suction nozzle unit, if
required.
Motor does not rotate or
runs sluggish
Mechanical blockage in the
backwash filter
Check the filter for foreign
particles and for damage at
the built-in parts.
Thread of the suction
nozzle worn
Check the thread of the
suction nozzle for wear and
tear and replace it, if required.
Leaks between upper
suction nozzle below the
motor and the housing
O-ring gasket of upper
suction nozzle worn
Dismount the upper suction
nozzle and replace the O-ring.
Little water discharge
during backwash
Sieve bottom dirty, clogged
Clean the sieve bottom.