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A8-2
IM 34M06H45-01E
7th Edition : Aug.30, 2019-00
A8.2 When RDY LED is Not Lit
Replace Fiber-optic FA-
bus module
Apply proper voltage
Push the module inwards
until it clicks into place
(see Section A4.3).
Replace the
base module
Replace the power
supply module or the
base module
Is correct voltage
supplied to the power
supply module?
Is RDY LED lit on
other modules?
Is RDY LED lit?
Is module mounted
properly in its slot?
Is RDY LED
off even when module
is installed in another
slot?
End
RDY LED is not lit
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
FB0821.VSD
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