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If an Error Code Is Displayed on SmartStacker
Code
Inverter alarm
Overcurrent during acceleration
(Inverter display: E.OC1)
3812
During deceleration, the output current of the
inverter became double the rated current.
Inverter alarm
Overvoltage during acceleration
(Inverter display: E.OV1)
3820
During acceleration, regenerative energy has
caused the main circuit DC voltage in the inverter
to exceed the specified value.
Inverter alarm
Overvoltage during constant speed
(Inverter display: E.OV2)
3821
During constant-speed operation, regenerative
energy has caused the main circuit DC voltage in
the inverter to exceed the specified value.
Inverter alarm
Overvoltage during deceleration
(Inverter display: E.OV3)
3822
During deceleration, regenerative energy has
caused the main circuit DC voltage in the inverter
to exceed the specified value.
Inverter alarm
Inverter overload shut-off
(Inverter display: E.THT)
3830
The output current of the inverter has been more
than 150% of the rated current. Because the
output current is less than 200%, overcurrent
cutoff has not occurred. Output has been stopped
to protect the output transistor.
Inverter alarm
Motor overload shut-off
(Inverter display: E.THM)
3834
The electronic thermal alarm built into the
inverter has detected an overload of the motor of
overheating in the motor due to poor cooling, and
has stopped the output from the inverter.
Inverter alarm
Fin overheat
(Inverter display: E.FIN)
3840
The cooling fins on the inverter have overheated,
so the temperature sensor has stopped the
output from the inverter.
266
Description and Causes
Solutions
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.
SmartStacker User's Manual
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