ANTI-TWO BLOCK PROBLEM
© PAT
Rev. B 03/08/02 // CLC
031-300 / 190007_b.DOC
7
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Correct?
Fault in cable assembly. Check cable assemblies
and replace defective cable.
Refer to Installation Manual for system wiring diagrams.
With power off, measure the A2B signal in the console at the X1:9 and X1:10.
Refer to Installation Manual for system wiring diagrams.
End
No
Yes
With power on and the switch weight in position,
A2B relay defective on connection board.
Refer to Drawing 2 in Section 5.
Yes