8
6. TROUBLESHOOTING
Incidents
Causes
Remedies
Pump does not start
- No mains supply
- Floater does not switch
- Check mains supply
- Bring floater in a higher
position
No flow
- Inlet sieve is clogged
- Pressure hose in bent
- Clean inlet sieve water jet
- Reset hose
Pump does not switch off
- Floater cannot sink down
- Place pump properly on shaft
ground
Insufficient flow
- Inlet sieve is clogged
- Reduced pumping capacity by
dirty and abrasive water
- Clean inlet sieve
- Clean pump and replace worn-
out parts
Pump switches off after short
operating period
- Thermal cut-out stops pumps
due to dirty water
- Water too hot. Thermal-cut-out
stops pump
- Remove mains plug. Clean
pump and shaft
- Make sure that a water
temperature of max. 35°C is not
exceed
Summary of Contents for RAY400EPDW
Page 9: ...9...