
B-61813E/03 MAINTENANCE 2. INDICATION
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T An interface module is defective.
Þ Replace it with a spare.
2) LINK has never been turned on since power is supplied.
Q If PWR is off, go to item 1).
R If LINK on the AIF01A in the same group is off, go to
Section 2.1.
S The signal cable between I/O units in the same group is
broken or short-circuited.
Þ Check the cable, and take an appropriate action.
T An interface module is defective.
Þ Replace it with a spare.
3) LINK is turned on once, then turned off.
Q See section 2.1.