Troubleshooting Guide - EINHELL 41.735.20 Originalbetriebsanleitung

11. Troubleshooting guide

Faults
Motor fails to start
up
No intake
Inadequate delivery
rate
Thermostat swit-
ches pump off
Anl_GC_WW_1045_N_SPK9.indb 21 Anl_GC_WW_1045_N_SPK9.indb 21
GB
Cause
- No mains voltage
- Pump rotor blocked -thermostat
switched off
- Intake valve not in water
- Pump chamber without water con-
nection
- Air in intake line air-tight
- Intake valve leaks
- Strainer (intake valve) blocked
- Max. suction height exceeded
- Suction height too high
- Strainer dirty
- Water level falling rapidly
- Pump performance diminishedby
contaminants part
- Motor overloaded - friction caused
by foreign substances too high
- 21 -
Remedy
- Check voltage
- Dismantle and clean pump
- Immerse intake valve in water
- Fill water into intake
- Make sure intake line is close
- Clean intake valve
- Clean strainer
- Check suction height
- Check suction height
- Clean strainer
- Immerse intake valve deeper
- Clean pump and replace wearing
- Dismantle and clean pump. Prevent
intake of foreign substances (fi lter)
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