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Code
Absolute data lost 2.
(Amplifier display: dL2)
3929
The absolute data of the encoder is lost. (Multi-
turn data fault in encoder)
Absolute data lost 3.
(Amplifier display: dL3)
3930
The absolute data of the encoder is lost.
(Detection at power-on after an ET alarm)
Multi-turn data overflow
(Amplifier display: AF)
3931
Excessive servo motor revolutions
Initial error
(Amplifier display: iE)
3932
The initial position inside the encoder is not
established.
Braking transistor error
(Amplifier display: rH3)
The frequency of the command pulse inside the
3933
servo amplifier is high.
200 [MHz] or a higher frequency is detected at
the inlet of the position deviation counter inside
the servo amplifier.
Inverter no response
(Inverter display: N/A)
3940
The communication connection between the
servo amplifier and the control board P109512
(QPM-290) for the 2nd regist unit has not been
established.
Servo amplifier communication failure
(Amplifier display: N/A)
3941
The communication is not stable. A
communications data error occurred.
Drive power undervoltage
(Amplifier display: N/A)
3942
The voltage of the power supplied to the servo
amplifier is insufficient.
SmartStacker User's Manual
Description and Causes
If an Error Code Is Displayed on SmartStacker
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.
If this error occurs frequently, call your local
dealer.
Check if Q250 breaker is not tripped.
Check if Q250 breaker is not tripped.
If this error occurs frequently, call your local
dealer.
Solutions
271
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