Mitsubishi MELSEC AJ65BT-R2 User Manual page 255

10 TROUBLESHOOTING
Check the module for which
SW0080 to SW0083 is ON.
Is the power ON?
Yes
Is the POWER
LED ON?
Yes
Is the RD LED
flashing?
Yes
(3) Slave station side troubleshooting (When link special register
(SW0080 to SW0083) turned ON)
No
Turn the power ON.
Is the supplied
No
voltage within the
specified range?
Yes
The module may be faulty.
Please consult your local Mitsubishi
representative, explaining a detailed
description of the problem.
No
Is RS-232-C cable
wired correctly?
Yes
The module may be faulty.
Please consult your local Mitsubishi
representative, explaining a detailed
description of the problem.
No
Set the supplied voltage to
within the specified range.
No
Correct RS-232-C cable wiring.
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MELSEC-A
End