7. Troubleshooting
7.2. Troubleshooting
132 Analog Input Module 2MLF-AV8A, AC8A User's Guide R200
Honeywell September 2010
RUN LED is OFF
Is the A/D conversion module installed
properly on the base?
Install A/D conversion module properly on the base.
Is the capacity of the power module
for the base?
Check if the current consumption of each module is
calculated correctly.
Does the problem disappear if the A/D
conversion module is replaced with another
one?
Error may be attributed to other modules and
not A/D conversion module. Refer to CPU
manual for more details.
Contact the nearest Honeywell office or authorized service engineer
No
Yes
No
No
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