Remove cable W32 plug P7 (1) from Tent Interface
Panel jack J8 (2).
Measure resistance between socket A of jack J137 (3)
and pin A of jack J8 (2). Repeat for sockets/pins B
Measure resistance between sockets of J137 (3) and
posts (4) as follows:
Socket A to E117
Socket B to E118
Socket C to E119
Socket D to E120
Does multimeter read 0 ohms for each measurement?
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1. Replace Tent Interface Panel
Box A5 (page 40.1-46).
2. Verify no faults found.