1. Stop the drive and do the steps in section Electrical safety precautions (page 44)
before you start the work.
2. Switch off the DC switch-disconnector of the compartment and open the door.
You can remove the door entirely for better access.
3. Remove the fuses from the DC switch-disconnector of the compartment.
4. Disconnect the control wiring from the inverter control unit and other equipment
mounted onto the module.
5. If present, remove the FSO module together with its mounting plate.
6. Remove the transverse brace in front of the base of the inverter module.
7. Disconnect the output cabling at the base of the inverter module.
8. Secure a good grip on the module to prevent it from falling out, and remove the
two screws holding the base of the inverter module.
9. Carefully slide the module down and towards the front until you can access the
DC plug connector at the top. Detach the connector.
10. Lift the inverter module out of its compartment.
11. (Frames R3i and R4i only) In case the module is replaced, transfer the DC connector
extension from the old module to the new module.
Install the module in reverse order.
￭
Replacing R5i inverter module (without option +C204)
See Replacing the R5i module main cooling fan (without option +C204) (page 111)
122 Maintenance
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