Component Test Procedures 2-7
Checking Fiber Optic
Connections to the Gate
Driver Boards
Damaged or improperly connected fiber optic cables can cause apparent
Gate Driver board malfunctions.
1. Remove power from the drive. Refer to Removing Power from the
Drive on page 3-3.
2. Remove the covers from the power structure. Refer to Removing the
Covers from the Power Structure on page 3-13.
3. Locate the three Gate Driver boards on the front of the power structure.
4. Verify the fiber optic cables are properly connected (refer to Figure
B.7 on page B-8, Figure B.8 on page B-9, Figure B.9 on page B-10, or
Figure B.10 on page B-11
).
5. Disconnect the cables and inspect them for scratches and cracks.
6. Reconnect the cables, replacing any damaged cables.
Conducting Gate Driver
Board Measurements
1. Remove power from the drive. Refer to Removing Power from the
Drive on page 3-3.
2. Remove the covers from the power structure. Refer to Removing the
Covers from the Power Structure on page 3-13.
X1
HW
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