10
GB
14. Incidents – Causes – Remedies
Incidents
Pumpe does not start
No flow
Pump does not switch off
Insufficient flow
Pump switches of after short
operating period
Causes
– No mains supply
– 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
Remedies
– Check mains supply
– Bring floater in a higher
position
– Clean inlet sieve water jet
– Reset hose
– Place pump properly on shaft
ground
– Clean inlet sieve
– Clean pump and replace
worn-out parts
– Remove mains plug. Clean
pump and shaft
– Make sure that a water
temperature of max. 35°C is
not exceed
Anleitung_ E_STP_1020N_SPK7:_ 06.02.2009 11:10 Uhr Seite 10
