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GFF fault in delta MS300 drive

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Posts: 18330
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(@click2electro)
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Joined: 4 years ago

How can resolve problem GFF fault in delta MS300 drive ?

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Posts: 18330
Admin
Topic starter
(@click2electro)
Member
Joined: 4 years ago

Ground fault GFF

When the drive detects grounding short circuit on the
output terminals (U/V/W), the drive closes the gate of
the output immediately, the motor runs freely, and the
display shows a GFF error.

Check drive IGBT using multimeter.

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