13: T
ROUBLESHOOTING
FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y-B1268
13-19
Troubleshooting Diagram 12
YES
NO
NO
YES
Does the status
DR store status code 4 (hard-
ware failure)?
Call IDEC for assistance.
Analog I/O module does not work
(END refresh type).
Make sure of correct parameters.
YES
NO
After changing settings,
was the CPU stopped and
restarted?
Stop and restart the CPU to configure the
analog I/O settings.
Supply the rated power voltage to the ana-
log I/O module (see page 9-19).
Does the status
DR store status code 3 (invalid
parameter)?
YES
NO
Are data registers
duplicated?
Change data register numbers to
eliminate duplicated data registers.
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