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FUNCTION
During operation, the
compressor stops for no
apparent reason.
When operating, the
compressor vibrates and
the motor emits an irregular
buzzing sound. If it stops,
it does not restart although
the sound of the motor is
present.
Leaking of condensate from
the vent cock (4).
TROUBLESHOOTING
FUNCTION
Tripping of the thermal cutout of the
motor.
Electric fault.
Single-phase motors:
faulty capacitor.
3-phase motors:
One of the phases of the 3-phase
power supply is missing due
probably to blowing of a fuse.
Presence of dirt/grit inside the cock.
60
REMEDY
Single-stage, mono-phase versions:
operate on the button of the
pressure switch (5) returning this to
the OFF position (fig. A).
Reset the thermal cutout (fig. C)
and restart (fig. B).
If the fault persists, call the Service
Center.
Other versions:
Operate on the button of the
pressure switch (5) returning this
to the OFF position and then to ON
again (fig. D).
If the fault persists, call the Service
Center.
Call the Service Center.
Have the capacitor replaced by
Service Center
Check the fuses inside the electric
panel or the electric box and if
necessary replace those that have
been damaged.
Clean the cock.
EN
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