Toshiba International Corporation

Related Information

Output phase loss detection

Function:
When the phase loss on the inverter output side is detected, and after a certain period of time passed, a trip occurs. The trip display is "EPH0".

0:Disabled
A trip does not occur. (Failure signal FL disabled)

1:At startup (only one time after power on)
After the power is turned on, output phase loss is detected at the first startup, and a trip occurs after a certain period of time passed..(Failure signal FL enabled)

3: During run
A phase loss is detected during run, and a trip occurs after a certain period of time passed.(Failure signal FL enabled)
4: At every startup + during run
At every startup and during run, a phase loss os detected, and a trip occurs after a certain period of time passed.(Failure signal FL enabled)
5: Output shut off detection
In case you release between the motor and inverter for commercial power supply, restart the operation with low voltage by controlling the impacat after thw connection at the output side is off and connect it again.(Failure signal FL disabled)

Please reference latest AS3 Instruction Manual more details or latest information.

AS3 fault codes, descriptions, symptoms and suggested remedies can be found in the below links. Each fault code can also be linked to directly from the AS3 by accessing the QR code on a mobile device while the AS3 is currently experiencing the fault.

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