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Code
Inverter alarm
Output phase failure protection
(Inverter display: E.LF)
4781
A phase failure has occurred in one of the three
output phases (U, V and W) from the inverter. The
output from the inverter has been stopped.
Inverter alarm
Parameter problem
4790
(Inverter display: E.PE)
A parameter saved for the inverter is bad.
No error code for inverter
(Inverter display: N/A)
4799
An error which does not correspond to any of the
errors 4700 through 4798 has occurred on the
A450 inverter for stack section delivery motor.
A430 Fork Drive Servo Motor Amplifier: 4800-4899
Overcurrent 1
(Amplifier display: oc1)
4801
The output current of the servo amplifier exceeds
the rated value. Direct detection by internal
transistor of servo amplifier
Overcurrent 2
(Amplifier display: oc2)
4802
The output current of the servo amplifier exceeds
the rated value. Indirect detection with software of
servo amplifier
Overspeed
(Amplifier display: oS)
4803
The rotation speed of the servo motor exceeds
1.1 times the maximum speed.
Control power undervoltage
(Amplifier display: Lvc)
4804
The power supplied to the servo amplifier falls
below the minimum specification voltage limit.
Overvoltage
(Amplifier display: Hv)
4805
The DC voltage inside the servo amplifier
exceeds the upper limit.
SmartStacker User's Manual
Description and Causes
If an Error Code Is Displayed on SmartStacker
If this error occurs frequently, call your local
dealer.
If this error occurs frequently, call your local
dealer.
Solutions
293
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