User Manual

1336-5.39 – August, 1999
I-13
1. Remove power from the drive.
2. Open the Enclosure door.
3. Check for zero volts at TB1 terminals +DC and -DC.
4. Check for the absence of control voltage at:
– TB20andTB21ondrivesusingaPLCCommAdapterBoard
– TB5, TB6, and TB7 on drives using a Standard Adapter
Board
5. Remove the wires and connectors from the Standard or PLC
Comm Adapter Board.
6. Remove the nuts at the top of the Control Board/Adapter
Mounting Plate.
7. Remove the two screws at the bottom of the Control Board/
Adapter Mounting Plate.
8. Lift the Control Board/Adapter Mounting Plate out of the drive
9. Continue with “Gate Driver Board and Precharge Board
Mounting Plates” on page I-20.
Drive shown with door open, sides removed.