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Code
Drive power undervoltage
(Amplifier display: N/A)
4942
The voltage of the power supplied to the servo
amplifier is insufficient.
No error codes
(Amplifier display: N/A)
4950
An unexpected error occurs on the servo
amplifier.
(An error which does not correspond to any of the
errors 4901 through 4949 has occurred.)
A420 Inverter for Vacuum Belt Drive Motor: 5000-5099
Inverter no response
(Inverter display: N/A)
The communication connection between the
5000
inverter, the short circuit board P109111 (QPW-
936), the reinforced insulation communication
board P110413 (QPW-943), and the control
board P109512 (QPM-290) for the Merge Stacker
has not been established.
Inverter communication error
(Inverter display: N/A)
5001
The control board P109512 (QPM-290) for the
Merge Stacker received NAK several times from
the inverter.
Overcurrent during acceleration
(Inverter display: E.OC1)
5010
During acceleration, the output current of the
inverter became double the rated current
Overcurrent during constant speed
(Inverter display: E.OC2)
5011
During constant-speed operation, the output
current of the inverter became double the rated
current.
Overcurrent during deceleration
(Inverter display: E.OC3)
5012
During deceleration, the output current of the
inverter became double the rated current.
Overvoltage during acceleration
(Inverter display: E.OV1)
5020
During acceleration, regenerative energy has
caused the main circuit DC voltage in the inverter
to exceed the specified value.
SmartStacker User's Manual
Description and Causes
If an Error Code Is Displayed on SmartStacker
If this error occurs frequently, call your local
dealer.
Close all the covers and make sure the
Emergency Stop button is released.
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
Solutions
301
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