EN
37
The motor is running, but no
water is pumped
Direction of rotation wrong
Swap two phases of the motor
(it is a three-phase motor)
The pump is not completely
filled with water
Fill the pump with water
The pump wheel is defective
Replace the pump wheel (must
be done in a workshop)
The inlet pipe is leaking
Check all connections and
joints on the inlet pipe
The water level is too low
Adjust the position of the
pump
The water in the pump
chamber or pipes has frozen
Do not start the pump until all
the ice has melted
Excessively hot water may
cause the plastic components
in the pump to crack
Replace the damaged parts
(must be done in a workshop)
Inadequate pressure
Wrong pump type selected
Select the appropriate model
of pump
The inlet pipe is too long or has
too many bends, or the pipe
diameter is too small
Use the shortest possible inlet
pipe with as few bends as
possible
Foreign objects have collected
in the inlet pipe, filter or pump
chamber
Clean foreign bodies from the
pipes, bottom valve and/or
pump chamber
The motor stops from time
to time or the stator coil is
damaged
The pump wheel is blocked
or the motor may have been
overloaded for an extended
period of time
Remove the pump and clean
the pump chamber; run the
pump with the specified flow
Incorrect earth, damaged
electrical cable or lightning
damage
Check the earthing, replace the
damaged cable and winding
