21
GB
13. Possible causes of failure
Troubleshooting Cause Remedy
Device does not work - No electrical voltage at the
device.
- Cross section of the extension
cable not large enough and/or
the extension cable is too long.
- The mains voltage is lower than
that specified.
- The pump is frozen.
- Check the fuse, power cable and
power plug and have them
replaced by qualified personnel
if necessary.
- Use extension cables with larger
cross sections and/or use
shorter extension cables.
- Contact the power supply
company if necessary.
- Check and thaw if necessary.
The motor starts but there is no
build up of pressure
- The water intake filter is
clogged.
- Air intake in the water inlet.
- Discharge nozzle is too large.
- Clean the water intake filter.
(see 9.2.1).
- Check the supply hose and hose
connection and replace if
necessary.
- Check and replace if necessary.
Irregular operating pressure - Air intake in the water inlet. - Check the supply hose and hose
connection and replace if
necessary.
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