Mitsubishi Electric MELSEC L Series User Manual page 90

(b) Checking for an error of a module other than the head module
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Displays the latest
error code.
Displays the
error history.
Displays the details
and solution of the
error code that is
selected in the error
history.
search engine
1.
Select a module other than the head module in the
"System Monitor" window, and click the
or button to view the diagnostics or
detailed information.
2.
Check the error that has occurred before the head
module is reset or the system is powered off in the
"Error History" window.
[Diagnostics] [System Monitor]
In the "Error History" window, the error history of both
the head module and intelligent function modules can
be viewed. ( Page 89, Section 11.3)
3.
If data link cannot be performed even after
troubleshooting by the above operation, perform
the following.
• Checking the LEDs (
• Troubleshooting by symptom (
11.5)
button
Page 91, Section 11.4)
Page 95, Section