Sanyo Denki Q1AA04003D, Инструкция по эксплуатации

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8. Maintenance
[Trouble Shooting When Alarm Occurs]
8-5
Alarm code 21H (Power Device Abnormality / Over current)
Cause
Status at the time of alarm
1 2 3 4
Issued when control power is turned ON.
(V) V (V)
Issued at servo input.
V V V
Issued while starting and stopping the motor. (V) (V) (V)
Issued after extended operating time. (V) (V) (V) V
Corrective actions
Cause Investigation and corrective actions
1
･ U/V/W-phase of amplifier is short
circuited due to the wiring in amplifier
and motor. Also, U/V/W-phases are
grounded in the earth.
･ Check the wiring between the amplifier and
motor, and confirm that there is no error. If
some error is detected, modify or change
the wiring.
2
･
Short circuit or fault in U/V/W phases
on servo motor side.
･
Replace the servo motor.
3
･
Defect in control print panel
･
Defect in power device
･
Replace the servo amplifier.
4
･
Overheat is detected in Power device
(IPM).
･
Confirm that the cooling fan motor for the
servo amplifier is working. If it is not
working, replace the servo amplifier.
･
Confirm that the temperature of the control
panel (ambient temperature of the servo
amplifier) does not exceed 55
℃
. If in excess
of 55(C, check the installation method of the
servo amplifier, and confirm that the cooling
temperature of the control panel is set to
below 55
℃
Alarm code 22H (Electric current abnormality 0)
Cause
Status during alarm
1 2
Issued when the control power is turned ON. V
(V)
Issued after the power is turned ON.
(V)
V
Corrective actions
Cause Investigation and corrective actions
1
Defect in control print panel
Defect in power device
Replace the servo amp.
2
Servo amplifier and motor are not
combined properly
Confirm that the proper codes (per the specified
Motor Codes) have been used for the servo motor; if
not, replace the servo motor.
Note) V means the cause number with high possibility.
(V) means the cause number with middle possibility.