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Code
Servo amplifier communication failure
(Amplifier display: N/A)
4341
The communication is not stable. A
communications data error occurred.
Drive power undervoltage
(Amplifier display: N/A)
4342
The voltage of the power supplied to the servo
amplifier is insufficient.
No error codes
(Amplifier display: N/A)
4350
An unexpected error occurs on the servo
amplifier.
(An error which does not correspond to any of the
errors 4301 through 4349 has occurred.)
A330 Lower Speed Reduction Servo Amplifier: 4400-4499
Overcurrent 1
(Amplifier display: oc1)
4401
The output current of the servo amplifier exceeds
the rated value. Direct detection by internal
transistor of servo amplifier
Overcurrent 2
(Amplifier display: oc2)
4402
The output current of the servo amplifier exceeds
the rated value. Indirect detection with software of
servo amplifier
Overspeed
(Amplifier display: oS)
4403
The rotation speed of the servo motor exceeds
1.1 times the maximum speed.
Control power undervoltage
(Amplifier display: Lvc)
4404
The power supplied to the servo amplifier falls
below the minimum specification voltage limit.
Overvoltage
(Amplifier display: Hv)
4405
The DC voltage inside the servo amplifier
exceeds the upper limit.
SmartStacker User's Manual
Description and Causes
If an Error Code Is Displayed on SmartStacker
Check if Q320 breaker is not tripped.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
Solutions
281
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