YASKAWA JUSP-MD D01A Series User Manual page 304

Alarm Number:
Alarm Name
(Alarm Description)
A malfunction occurred in the
A.b20:
reading section of the torque ref-
Reference Torque In-
erence input.
put Read
Error
A fault occurred in the SERVO-
(Detected when the
PACK.
servo is ON.)
A.b31:
The current detection circuit for
Current Detection
phase U is faulty.
Error 1
A.b32:
The current detection circuit for
Current Detection
phase V is faulty.
Error 2
The detection circuit for the cur-
A.b33:
rent is faulty.
Current Detection
Error 3
The servomotor main circuit
cable is disconnected.
A.bF0:
A fault occurred in the multi-
System Alarm 0 winding drive unit.
A.bF1:
A fault occurred in the multi-
System Alarm 1 winding drive unit.
A.bF2:
A fault occurred in the multi-
winding drive unit.
System Alarm 2
:
A fault occurred in the multi-
A.bF3
winding drive unit.
System Alarm 3
A.bF4:
A fault occurred in the multi-
winding drive unit.
System Alarm 4
Cause Investigative Actions
−
−
−
−
−
Check for disconnection of the ser-
vomotor main circuit cable.
−
−
−
−
−
9.1 Alarm Displays
(cont'd)
Corrective Actions
Clear and reset the alarm and restart
the operation.
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
Turn the main circuit power supply
OFF and ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
Turn the main circuit power supply
OFF and ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
Turn the main circuit power supply
OFF and ON again. If the alarm still
occurs, the SERVOPACK may be
faulty. Replace the SERVOPACK.
Correct the servomotor wiring.
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the multi-winding drive unit
may be faulty. Replace the multi-
winding drive unit.
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the multi-winding drive unit
may be faulty. Replace the multi-
winding drive unit.
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the multi-winding drive unit
may be faulty. Replace the multi-
winding drive unit.
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the multi-winding drive unit
may be faulty. Replace the multi-
winding drive unit.
Turn the control power supply OFF
and ON again. If the alarm still
occurs, the multi-winding drive unit
may be faulty. Replace the multi-
winding drive unit.
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