A SERVICE OF

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SECTION VI
PROCEDURE FOR FUNCTIONAL CHECK
OF REPLACEMENT COMPONENTS ........................................................... 86
SECTION VII
PHASE 7 OPL SYSTEM DIAGNOSTICS ....................................................... 88
A. Diagnostic (L.E.D. Display) Fault Messages............................................................................... 88
B. I/O Board Input and Output L.E.D. Indicators .......................................................................... 90
SECTION VIII
TROUBLESHOOTING ..................................................................................... 95