Checking The Error Code - Mitsubishi Electric MELSEC iQ-F Series Quick Connection Manual

6. TROUBLESHOOTING
Checking Procedure
1

6.3 Checking the Error Code

When an error occurs in serial communications, the corresponding error code is stored in the special register (SD8500).
The error code can be checked with the following devices.
Device
2
(CH1)
SM8500 Serial communication error (CH1)
Serial communication error code
SD8500
(CH1)
3
Monitoring SD8500
1 Select [Online]
4
5
2 Enter "SD8500" in "Name", and select "Hexadecimal" in "Display Format". Right-click on "SD8500", and
select [Start Watching].
6
32
Checking the Checking the
LED Status Error Code
Name
[Watch] [Register to Watch Window]
An error code is displayed.
Description
Turns ON when an error occurs in serial communications.
When an error occurs in serial communications, stores the
corresponding error code.
[Watch Window 1].