Checking And Replacing The Dc Fuses (Frame R8I And Multiples) - ABB ACS880-207 Hardware Manual

Checking and replacing the DC fuses (frame R8i and multiples)

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WARNING!
Only qualified electricians are allowed to this work. Read the complete safety
instructions of the drive. Ignoring the instructions can cause physical injury or
death, or damage to the equipment.
1. Disconnect the drive from the AC power line and make sure it is safe to start the work.
See section Electrical safety precautions (page
charging circuit [Q3].
2. Open the IGBT supply module cubicle door.
3. Undo the screws of the shroud in the upper part of the cubicle. Remove the shroud.
3
2
46). Switch off the disconnector of the
Maintenance 111