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A8-3
IM 34M06H45-01E
7th Edition : Aug.30, 2019-00
A8.3 When ERR LED is Lit
Replace fiber-optic FA-
bus module
Replace
fiber-optic cable
Turn on power to
all other units
Set switches inside the
side cover correctly
(Set SW2 to SW4 to off)
Is fiber-optic cable
connected?
Are all units
switched on?
Is there a cable
discontinuity?
Are the side
switches set
correctly?
Is ERR LED lit?
End
ERR LED is lit
NO
NO
YES
YES
YES
NO
YES
NO
NO
YES
FB0831.VSD
Connect
fiber-optic cable
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