ABAC B7000/270 FT10 [12/14] Www abac ru
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ABAC B7000/270 FT10 [12/14] Www abac ru

ABAC B4900/LN/270/4 [12/14] Www abac ru
12
G
B
FAULT CAUSE REMEDY
After an attempt to start the compressor, it stops
due to tripping of the thermal cutout caused by
forcing of the motor
.
Incorrect or insufficient lubrication.
Check level, top up and if necessary change
the oil.
Inefficient electrovalve. Call the Service Center
.
During operation, the compressor stops for no
apparent reason.
T
ripping of the thermal cutout of the motor.
Check level oil.
Single-stage, mono-phase versions: operate
on the button of the pressure switch returning
this to the OFF position (fig. 1a).
Reset the thermal cutout (fig. 2) and restart
(figures 1b).
If the fault persists, call the Service Center
.
Versions with delta-star starter:
operate on the button of the thermal cutout
located inside the box of the electric panel (fig. 3c)
and restart (fig. 5d).
If the fault persists, call the Service Center
.
Other versions:
Operate on the button of the pressure switch
returning this to the OFF position and then to
ON again (fig. 1a-1b).
If the fault persists, call the Service Center
.
Electric fault. Call the Service Center
.
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.
Single-phase motors:
faulty capacitor
.
Have the capacitor replaced.
3-phase motors:
One of the phases of the 3-phase power supply
is missing due probably to blowing of a fuse.
Check the fuses inside the electric panel or the
electric box and if necessary replace those that
have been damaged (fig. 17).
Irregular presence of oil in the network.
T
oo much oil inside the unit. Check oil level.
W
ear on segments. Call the Service Center.
Leaking of condensate from the vent cock. Presence of dirt/grit inside the cock. Clean the cock.
Any other type of operation must be carried out by authorized Service Centers, requesting original parts. Tampering with the machine may impair
its safety and in any case make the warranty null and void.

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