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Chapter 8.
TROUBLESHOOTING
8.2
Troubleshooting Procedure
8.2.1
LED I ndication I s I ncorrect
LED abnormal
Is the PWR LED
turned on?
Yes
Is ERR LED
No
Is the ERR LED
flickering?
No
No changes of ERR
HW Fault
No
Yes
on?
Yes
Is voltage of the
power supply
module normal?
Yes
HW Fault
Is normal other
modules onto their
slots?
Yes
HW Fault
Is data formatting
signal on?
No
HW Fault
8 - 2
No
Check the power supply
module and replace it.
No
HW fault of the other
modules loaded onto
their slots.
Yes
Check the initial values
setting values and out
data, and correct the
program.
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Table of Contents
Troubleshooting
