Mitsubishi Electric L26CPU-BT User Manual page 340

(2) Common module check procedure
*1 Page 60, Section 6.2
*2 MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection)
338
Start
Perform the hardware test.
Was the hardware
test performed?
Yes
Is the hardware test
completed normally?
Yes
If no error related to the L series
master/local module is detected,
perform the troubleshooting of the
CPU module referring to the
following. *2
Completed
*1
No
No
Replace the target module.