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Trouble-shooting
Problem
Pump does not
start
Pump is running,
but not pumping
water
Pump does not
switch off
Amount pumped
is inadequate
Pump switches
off after only run-
ning a short time
24
Possible cause(s)
No power supply
Float switch (
6) does not
operate
Water level inadequate when
starting
Thermal protection switch
has tripped
Suction foot (
8) /
filter (
7) blocked
Pressure lead closed
Pumping capacity affected
by extreme dirt or abrasive
solids mixed with the water
Float switch (
6) cannot
sink
Suction foot (
8) /
filter (
7) blocked
Pumping capacity affected
by extreme dirt or abrasive
solids mixed with the water
Motor protection switches off
the pump because of exces-
sively dirty water.
Water temperature is too
high, Motor protection
switches the appliance off.
To correct the fault
Check socket, cable lead and plug, if
necessary have a repair carried out
by an electrician
Check the position of the float switch
Submerge the pump deeper
Wait until motor cools down and
switches on again. Unplug appli-
ance and clean suction foot/impeller
wheel.
Clean suction foot / filter
Open the distributor shut-off tap (
18), other tap or jet, etc.
Withdraw the power plug and clean
the pump, if necessary replacing
worn parts.
Check position of the float switch
Clean suction foot / filter
Withdraw the power plug and clean
the pump, if necessary replacing
worn parts (see "Cleaning, mainte-
nance and storage").
If necessary, operated the pump
without the distribution piece.
Withdraw the power plug and clean
it.
Maximum permitted water tempera-
ture of 35°C must be observed!
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