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If an Error Code Is Displayed on SmartStacker
Code
Braking transistor error
(Amplifier display: rH3)
3524
The regeneration handling transistor built in the
servo amplifier is damaged.
Deviation overflow
(Amplifier display: oF)
3525
A position deviation amount equivalent to servo
motor revolutions specified in deviation detection
overflow value is accumulated inside the servo
amplifier.
Amplifier overheat
(Amplifier display: AH)
3526
The temperature of the servo amplifier has
exceeded the allowable limit.
Encoder overheat
(Amplifier display: EH)
3527
The encoder inside the servo motor may be
overheated.
Absolute data lost 1.
(Amplifier display: dL1)
3528
The absolute data of the encoder is lost. (The
voltage for data storage is dropped, or the
encoder cable is broken.)
Absolute data lost 2.
(Amplifier display: dL2)
3529
The absolute data of the encoder is lost. (Multi-
turn data fault in encoder)
Absolute data lost 3.
(Amplifier display: dL3)
3530
The absolute data of the encoder is lost.
(Detection at power-on after an ET alarm)
Multi-turn data overflow
(Amplifier display: AF)
3531
Excessive servo motor revolutions
Initial error
(Amplifier display: iE)
3532
The initial position inside the encoder is not
established.
256
Description and Causes
Solutions
Turn off the power. Wait about 30 minutes and
turn on the power again. If this error occurs
frequently, call your local dealer.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
Turn off the power. Wait about 30 minutes and
turn on the power again. If this error occurs
frequently, call your local dealer.
SmartStacker User's Manual
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