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If an Error Code Is Displayed on SmartStacker
Code
Encoder overheat
(Amplifier display: EH)
3727
The encoder inside the servo motor may be
overheated.
Absolute data lost 1.
(Amplifier display: dL1)
3728
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)
3729
The absolute data of the encoder is lost. (Multi-
turn data fault in encoder)
Absolute data lost 3.
(Amplifier display: dL3)
3730
The absolute data of the encoder is lost.
(Detection at power-on after an ET alarm)
Multi-turn data overflow
(Amplifier display: AF)
3731
Excessive servo motor revolutions
Initial error
(Amplifier display: iE)
3732
The initial position inside the encoder is not
established.
Braking transistor error
(Amplifier display: rH3)
The frequency of the command pulse inside the
3733
servo amplifier is high.
2. 00 [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)
3740
The communication connection between the
servo amplifier and the control board P109512
(QPM-290) for the 2nd regist unit has not been
established.
264
Description and Causes
Solutions
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.
If this error occurs frequently, call your local
dealer.
Check if Q230 breaker is not tripped.
SmartStacker User's Manual
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