• Remove the mains plug before all maintenance work.
• In the event that the pump is often transported in the course of operation, it should be
cleaned out with clear water after every use.
• In case of stationary installation, the function of the loading switch should be checked
every 3 months.
• All fibrous particles which may have built-up inside the pump housing should be removed
with a water jet.
• Every 3 months the shaft ground and as should be cleaned from mud.
• Remove deposits on the floater with clear water.
Problem
Pump does not start.
No flow.
Pump does not switch
off.
Insufficient flow.
Pump switches of
after short operating
period.
12
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Cleaning and Care
Troubleshooting
Possible Cause
Power supply not
connected.
Floater does not switch.
Inlet sieve is clogged.
Pressure hose in bent.
Floater cannot sink down.
Inlet sieve is clogged.
Reduced pumping capacity
by dirty and abrasive water.
Thermal cutout stops
pumps due to dirty water.
Water too hot. Thermal
cutout stops pump.
Suggested Solution
Check power supply.
Raise position of floating switch.
Clean inlet sieve.
Reset hose.
Place pump properly on shaft
ground
Clean inlet sieve.
Clean pump and shaft bottom.
Remove mains plug. Clean pump
and shaft
Make sure that water temperature
of max. 35°C is not exceed