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If an Error Code Is Displayed on SmartStacker
Code
Fin overheat
(Inverter display: E.FIN)
6940
The cooling fins on the inverter have overheated,
so the temperature sensor has stopped the
output from the inverter.
Input phase failure
(Inverter display: E.ILF)
A phase failure has occurred in one of the three
6952
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.
Stall prevention
(Inverter display: E.OLT)
6960
The operating frequency has been dropped to "0"
by the stall preventer function.
Brake circuit problem
(Inverter display: E.BE)
6970
The brake transistor has failed due to excessive
regenerative energy from the motor. The output
from the inverter has been stopped.
Current leakage protection
(Inverter display: E.GF)
6980
A ground fault has occurred in the power supply
circuit of the motor, and the inverter stopped the
output.
Output phase failure protection
(Inverter display: E.LF)
6981
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.
Parameter problem
(Inverter display: E.PE)
6990
A parameter saved for the inverter is bad.
No error code for inverter
(Inverter display: N/A)
6999
An error which does not correspond to any of the
errors 6900 through 6998 has occurred on the
A920 inverter for feed rotor drive motor.
332
Description and Causes
Solutions
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.
If this error occurs frequently, call your local
dealer.
SmartStacker User's Manual
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