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If an Error Code Is Displayed on SmartStacker
Code
Inverter alarm
Inverter overload shut-off
(Inverter display: E.THT)
4230
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)
4234
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)
4240
The cooling fins on the inverter have overheated,
so the temperature sensor has stopped the
output from the inverter.
Inverter alarm
Input phase failure
(Inverter display: E.ILF)
4252
A phase failure has occurred in one of the three
input phases (R, S and T) to the inverter, or there
was a big difference in voltage between the input
phases. This has stopped the output from the
inverter.
Inverter alarm
Stall prevention
(Inverter display: E.OLT)
4260
The operating frequency has been dropped to "0"
by the stall preventer function.
Inverter alarm
Brake circuit problem
(Inverter display: E.BE)
4270
The brake transistor has failed due to excessive
regenerative energy from the motor. The output
from the inverter has been stopped.
276
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.
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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