ABB ACS580-01 - Page 37

EN – R5 Quick installation guide 179
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 Disconnect EMC filter or ground-to-phase varistor, if needed
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do as
follows:
1. Switch off the power from the drive.
2. Open the front cover, if not already opened, see figure B on page 435.
3. To disconnect the internal EMC filter, remove the two EMC screws.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
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