2
3
■
Checking and replacing the DC fuses (frame R8i and multiples)
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 46)
. Switch off the disconnector of the
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.
Maintenance 111
Summary of Contents for ACS880-207
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 207 IGBT supply units Hardware manual ...
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Page 81: ...4 5 6 7 8 6 10 10 Maintenance 81 ...
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