PROBLEM CAUSE SOLUTION
The pump leaks water.
Poor mechanical seal of the shaft or the
O-Ring.
Check the pump and take any cor-
rective actions.
The inlet and outlet connections are
loose.
Tighten the connectors.
the hexagonal nut of the pressure relief
valve or the filter are loose.
Tighten the hex connection of the
pressure relief valve or the filter.
The gasket or the O-Ring of the pressure
relief valve of the filter are defective.
Replace the gasket and the O-Ring,
take care not to change the calibra-
tion of the pump.
The motor stops suddenly or the
thermal protector is activated
due to an overload.
Lime scale and mineral build-ups in the
pump have caused it to jam.
Check the pump and replace it, if ne-
cessary.
The pump and the motor are not aligned. Install the pump-motor joint.
The motor is defective. Replace the motor.
The motor is connected with an incorrect
voltage.
Ensure that the power supply voltage
of the motor is correct.
The pump works below the no-
minal capacity.
The inlet is clogged even partially. Clean the pump filter.
The pump rotates in the wrong direction. Check the motor.
The pump is not properly calibrated. Calibrate the pump.
The motor runs at a low RPM.
Check the voltage or replace the
motor.
The inside of the pump is damaged due
to the infiltration of foreign matter.
Replace the pump.
The pump is noisy.
The pump and the motor are not aligned. Install the pump-motor joint.
The gasket or the o-ring of the pressure
adjusting screw or the filter is defective.
Replace the gasket and the o-ring,
take care not to change the calibra-
tion of the pump.
The joint, the coupling screw or the V-
shaped clamp, are loose.
Align and tighten the components
which are loose.
The inlet is clogged even partially. Clean the pump filter.
The hex nut of the pressure adjusting
screw or the filter are loose.
Tighten the hex connection of the
pressure adjusting screw and the fil-
ter.
26
Manual code 10066574 / Rel. 2.00 / February 2012
Maintenance manual for technical assistance
To Next Page
Loading...
