14. Possible causes of failure
Troubleshooting
Device does not work
The motor starts but there is no build
up of pressure
Irregular operating pressure
32 | GB
Cause
No electrical voltage at the device.
Cross section of the extension cable
not large enough and/or the exten-
sion cable is too long.
The mains voltage is lower than that
specified.
The pump is frozen.
Air intake in the water inlet.
Discharge nozzle is too large.
Air intake in the water inlet.
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Remedy
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.
Check the supply hose and hose
connection and replace if necessary.
Check and replace if necessary.
Check the supply hose and hose
connection and replace if necessary.