GB
- 23 -
11. 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
- Intake valve not in water
- Pump chamber without water
connection
- Air in intake line air-tight
- Intake valve leaks
- Strainer (intake valve) blocked
- Max. suction height exceeded
- Immerse intake valve in water
- Fill water into intake
- Make sure intake line is close
- Clean intake valve
- Clean strainer
- Check suction height
Inadequate delivery
rate
- Suction height too high
- Strainer dirty
- Water level falling rapidly
- Pump performance diminished by
contaminants part
- Check suction height
- Clean strainer
- Immerse intake valve deeper
- Clean pump and replace wearing
Thermostat
switches pump o
ff
- Motor overloaded - friction caused
by foreign substances too high
- Dismantle and clean pump. Prevent
intake of foreign substances (
fi
lter)
Anl_SA_GC_TP_4622_SPK8.indb 23
Anl_SA_GC_TP_4622_SPK8.indb 23
09.10.2019 09:35:45
09.10.2019 09:35:45
