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Submerge the pump in a container with clean water
and switch on for a short time to rinse the inside of the
pump.
Cleaning the suction area
– Clean all accessible insides of the casing.
Remove fibres which have wound around the
rotor shaft by opening the pressure connection.
Remove stubborn contamination with a brush and
detergent.
Note: Before using the pump again, first
"soak" it so that any possible dirt residues do
not block the appliance.
Storing
NOTICE! Risk of damage to the appli-
ance! Frost destroys the appliance and
accessories, as these always contain water!
Fault/malfunction
Pump does not run.
Pump runs but does not
pump.
Delivery rate too low.
Pump runs very loudly.
Pump does not switch off. Float switch does not reach the bot-
If you can't fix the fault yourself, contact your nearest
vendor. Please be aware that any improper repairs
will also invalidate the warranty and additional costs
may be incurred.
26
Cause
No mains voltage?
Float switch does not operate?
Float switch defective?
Motor overheats due to:
• liquid temperature too high?
• blocking by foreign bodies?
Residual current circuit breaker
(RCCB) triggered?
Motor defective?
Suction openings blocked?
Pump draws in air?
Pump blocked by foreign bodies?
Delivery height too great?
Pressure line diameter too small?
Pressure line blocked?
Suction openings blocked?
Pressure line kinked?
Pressure line leaks?
Pump draws in air?
tom position?
Float switch defective?
If there is a risk of frost, dismantle the appliance and
accessories, clean them and store in a place pro-
tected from frost.
Malfunctions and troubleshooting
In the event of a malfunction...
DANGER! Danger of physical injury and
death! Improperly conducted repairs may
prevent your appliance from working safely.
Such repairs will endanger you and your sur-
roundings.
Malfunctions are often caused by minor faults. You
can easily remedy most of these yourself. Please
consult the following table before contacting the ven-
dor. You will save yourself a lot of trouble and possibly
money too.
Remedy
Check cables, plug, socket and fuse.
Ensure there is sufficient liquid present.
Ensure that the float switch can move suffi-
ciently.
Contact your local vendor.
Eliminate the cause of the overheating (max.
temperature of liquid ► Technical data –
p. 27).
Activate RCCB. Contact qualified electrician if
RCCB triggers again.
Contact your local vendor.
Rectify blockage.
Keep the pump at an angle while submerging.
Switch the pump on and off several times in or-
der to expel air.
Clean the pump (► Cleaning the suction ar-
ea – p. 26).
Comply with maximum delivery height
(► Technical data – p. 27).
Use pressure line with larger diameter.
Rectify blockage.
Clean suction opening.
Straighten pressure line.
Seal pressure line, tighten threaded connec-
tions.
Ensure there is sufficient liquid present.
Adjust float switch correctly (► Operation –
p. 25).
Keep the pump at an angle while submerging.
Pull out the plug.
Ensure that the float switch can move suffi-
ciently.
Contact your local vendor.
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