Insert plug or check fuses if
necessary
Pump works audibly,
but no water is
flowing
Air in system (pump/tank)
Ventilate the pump as described
and if necessary also the tank.
Hoses kinked, pump is taking
in air
Check and, if necessary, correct
and seal straightened connections.
Possible hose leak
Suction height too high,
incorrect suction hose
Adjust the position of the pump
Use vacuum-safe suction hose
Suction/delivery height
exceeded
Adjust the position of the
pump/system
Check and clean if necessary Use a
vacuum-safe suction hose
Overheating has triggered the
thermal switch
• wait approx. 30 minutes
• use vacuum-safe suction hose
• check clogged pipes
This is normal when fresh sand is
being used. Proceed as described.
It will settle of its own accord.
Incorrect quartz sand used
Sand too fine, purchase coarser
sand from a specialist dealer
Sand filling
quantity (not
included in
delivery)
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