INVT Goodrive880 Series Hardware Manual page 102

Goodrive880 Series Inverter Unit Hardware Manual
Remove (+), (-) DC input copper bar
3. Replacing A8n inverter unit
Step 1 Stop the machine and disconnect the AC power.
Step 2 Open the cabinet door and check to ensure there is no voltage in the equipment.
Step 3 Remove the protective plate in the cabinet.
Step 4 Disconnect the external connection cables of the inverter unit.
Step 5 Disconnect the (+) and (-) DC input copper bars.
Step 6 Remove the screws connecting the copper bar between the reactor base and the unit (six M6*25
screws in total).
Step 7 Mount the maintenance bracket.
Step 8 Pull the inverter unit to the maintenance bracket until it can be lifted or removed.
Step 9 Install the new inverter unit.
202311 (V1.0)
Figure 7-3 Replacing the A8i inverter unit
Unit entry/exit guide rail
Maintenance and inspection
Remove 4-M8 fastening
screws
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