4. Remove the fastening screws (a) and finger guard (b) of the fan.
5. Install the new fan in reverse order. Make sure that the arrow indicating the air flow
direction points upwards (floor fan) or inward (door fan).
Inverter modules
￭ Replacing R1i…R4i inverter module (with option +C204, modules in
their own compartments)
WARNING!
Read the safety instructions given in Safety instructions for ACS880
multidrive cabinets and modules (3AUA0000102301 [English]). If you
ignore them, injury or death, or damage to the equipment can occur.
1.
Stop the drive and do the steps in section Electrical safety precautions (page 57) 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-xx 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.
114 Maintenance
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