Malfunctions
20
Malfunctions
Malfunction
Possible cause
Corrective action
The pump is not
working.
Electrical components
are damaged.
Check the electrical
components, see page 25.
Replace damaged
electrical components or
have these replaced by the
manufacturer.
The power supply is
interrupted.
Check the power supply,
see page 27.
The remote control is
defective.
Check the remote control,
see page 31.
The motor only hums.
The stator is defective.
Check the motor windings,
see page 36.
Have the defective motor
windings repaired by the
manufacturer.
The capacitor is
defective.
Check the current of the
capacitor, see from
page 36.
Replace a defective
capacitor, see page 42.
No pressure or
pressure below 70 bar.
The solenoid valve is
defective.
Check the solenoid valve
electrically, see page 43.
Check the solenoid valve
hydraulically, see page 58.
Replace the defective
solenoid valve, see
page 47.
The torque valve is
defective.
Check the torque valve
hydraulically, see page 55
Replace the defective
torque valve, see page 86.
Leak on the pump
flange.
Check the pump flange,
see page 61.
Have the defective pump
flange repaired by the
manufacturer.
The screen filter is
blocked.
Check the screen filter, see
page 64.
Clean the blocked screen
filter, see page 64.
The maximum pressure
valve is leaking.
Check the maximum
pressure valve, see
page 65.
Replace the defective
maximum pressure valve,
see page 67.