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boc fault in delta MS300 drive

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(@click2electro)
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How can resolve problem boc fault in delta MS300 drive ?

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

V-phase over-current before run

V-phase short circuit detected when the output wiring
detection is performed before the drive runs

The boc occurs due to the short circuit or ground fault at the output side of the
drive. Check for possible short circuits between terminals with the electric meter:
B1 corresponds to U, V and W; DC- corresponds to U, V and W;
corresponds to U, V and W

Check drive IGBT using multimeter.

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