Troubleshooting
Problem Cause Remedy
Pump lacks pressure - Unsuitable or worn nozzle - Replace nozzle
- System is drawing in air - Check intake pipes and seal
- Worn or dirty valves - Replace or clean valves
Pressure gauge indicates - Worn or dirty valves - Replace or clean valves
fluctuations - Water temperature too high - Reduce intake temperature
- Worn seals - Replace seals
- Worn nozzle - Replace nozzle
Noise - Water temperature too high - Reduce water temperature
- System is drawing in air - Check pipes
- Dirty or worn valve - Clean or replace valve
Loss of water at head - Worn sealing rings - Replace sealing rings
Loss of oil - Worn oil sealing rings - Replace sealing rings
Motor fails to start - No electricity - Check whether the plug is
- properly inserted in the socket
- and whether the cable is live
- Check whether the switch
- is working
Motor whines but does - Incorrect mains voltage (less than - Check power supply
not start up - the prescribed minimum) - for suitability
- The voltage has been reduced by - Follow the instructions for
- an extension cable that has the - the use of extension cables
- wrong cross-section or is too long
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Anleitung HT 1800 8-sprachig 09.11.2001 8:09 Uhr Seite 15
