FAULT
4.The flow rate is
insufficient.
5.The overload protec-
tion device stops the
pump.
DON'T DISPOSE OF WORN-OUTS UNITS THROUGH THE
HOUSEHOLD GARBAGE
The appliance, its packaging and accessories are all produced from
recyclable materials and must be disposed of accordingly, in the suita-
ble dispose places, adhering itself to the modalities previewed from the
enforced norms in matter
CHECK (Possible cause)
A. Ensure that the impellers or the
delivery pipe are not partly
blocked or fouled with scale.
B. Ensure that the impellers are not
worn.
C. Check the direction of rotation
in three-phase versions (See
Chapter on Electrical connection
- Paragraph 8.4.).
A.Ensure that the fluid to be
pumped is not too dense
because it would cause
overheating of the motor
B.Ensure that water temperature
is not too high (see liquid tem
perature range).
C.The pump is partly blocked by
impurities.
D.The pump is mechanically
blocked.
REMEDY
A. Check good operation of the
valve and replace it if necessary.
B.Change the impellers
C. Invert two wires in the
power cable.
B Reduce liquid temperature.
Wait until thermal protection
switch resets, about 20 mins.
C. Accurately clean the pump.
D.Check for the occurrence of
rubbing between moving and
fixed parts; check the state of
wear of the bearings (contact
the supplier).
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