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EF7 alarm fault code in yaskawa GA500 drive

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Cause : External Fault (Terminal S7) comes when the wiring is incorrect or MFDI terminal S7 caused an external fault through an external device. External Fault [H1-01 = 2C to 2F] is set to MFDI terminal S7, but the terminal is not in use.

1. Find the device that caused the external fault and remove the cause.

2. Clear the external fault input in the MFDI.

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