Maintenance 123
Mounting
1. Install the new module in reverse order of removal.
2. Switch on all miniature circuit breakers in the control compartment.
3. When the work is completed the drive can be started up again. See Chapter
Operation, Energizing and starting the drive.
Converter module testing and repair
Testing and repair of a defective power module is done at ABB works. Send the module in
for repair.
Replacing the power module fuse R4 - R6
1. Stop, de-energize and ground the drive following the steps in section Shutting down
the drive for maintenance before you start the work.
2. Switch off all miniature circuit breakers in the control compartment.
3. Ground the power modules according to Grounding power module with grounding
hook on page 107.
4. Loosen the 2 mounting screws of the fuse to be replaced.
5. Pull out the fuse.
6. Install the replacement fuse in reverse order of removal.
7. Reinstall the power module in reverse order of removal.
8. Switch on all miniature circuit breakers in the control compartment.
9. When the work is completed the drive can be started up again. See Chapter
Operation, Energizing and starting the drive.
Replacing power module fuse on a module of frame size R4 - R6
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