Malfunctions
22
Malfunction
Possible cause
Corrective action
The max. pressure of
700 bar was not
reached even though
there are no leaks.
The torque valve is
defective.
Check the torque valve
mechanically, see page 84.
Replace the defective
torque valve, see page 86.
One or more pump
elements are defective.
Check the pump elements,
see page 69.
Replace the pump
elements, see page 69.
The pipe work is
leaking.
Check the pipe work, see
page 80.
Replace the leaking pipe
work, see page 83
The motor switches off. The motor temperature
is too high.
Wait about 10 minutes and
switch on the unit.
If the motor switches off
again, check the motor
temperature problem, see
page 36.
The display on the
pressure gage
fluctuates very strongly
at 700 bar.
The check valve is
defective.
Have the defective check
valve replaced by the
manufacturer, see
manufacturer's address.
Oil mist and oil vapor
being emitted.
The unit is overheated.
Wear your chemical-
resistant goggles.
Ensure sufficient ventilation
for this.
Wear respiratory protection
in case of insufficient
ventilation.
Proceed as described from
page 36.
The pipe work is
leaking.
Check the pipe work, see
page 80.
Replace the leaking pipe
work, see page 83
