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If an Error Code Is Displayed on SmartStacker
Code
Absolute data lost 1.
(Amplifier display: dL1)
4928
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)
4929
The absolute data of the encoder is lost. (Multi-
turn data fault in encoder)
Absolute data lost 3.
(Amplifier display: dL3)
4930
The absolute data of the encoder is lost. (Multi-
turn data fault in encoder)
Multi-turn data overflow
(Amplifier display: AF)
4931
Excessive servo motor revolutions
Initial error
(Amplifier display: iE)
4932
The initial position inside the encoder is not
established.
Braking transistor error
(Amplifier display: rH3)
The frequency of the command pulse inside the
4933
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)
4940
The communication connection between the
servo amplifier and the control board P109512
(QPM-290) for the Merge Stacker has not been
established.
Servo amplifier communication failure
(Amplifier display: N/A)
4941
The communication is not stable. A
communications data error occurred.
300
Description and Causes
Solutions
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.
If this error occurs frequently, call your local
dealer.
Check if Q440 breaker is not tripped.
Check if Q440 breaker is not tripped.
SmartStacker User's Manual
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