GB
- 21 -
10. Troubleshooting guide
Faults
Cause
Remedy
Motor fails to start
up
- No mains voltage
- Pump rotor blocked -thermostat
switched o
ff
- Check voltage
- Dismantle and clean pump
No intake
- Non-return valve dirty
- Pump chamber without water con-
nection
- Air in intake line air-tight
- Max. suction height exceeded
- clean
- Fill water into intake
- Make sure intake line is close
- Check suction height
Inadequate delivery
rate
- Suction height too high
- Coarse
fi
lter dirty
- Water level falling rapidly
- Pump performance diminishedby
contaminants part
- Check suction height
- clean
- Place the suction hose at a deeper
level
- Clean pump and replace wearing
Thermostat swit-
ches pump o
ff
- Motor overloaded - friction caused
by foreign substances too high
- Dismantle and clean pump. Prevent
intake of foreign substances (
fi
lter)
Anl_GE_GP_9041_E_SPK1.indb 21
Anl_GE_GP_9041_E_SPK1.indb 21
12.10.12 13:08
12.10.12 13:08