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
15
GB
Anleitung HT 1800 8-sprachig 09.11.2001 8:09 Uhr Seite 15