How To Correct Errors Of Motion Cpu Side Sequence Program - Mitsubishi Electric MELSEC Q Series Programming Manual

6 TROUBLESHOOTING

6.3 How to Correct Errors of Motion CPU Side Sequence Program

When PLC ready flag (M2000) of the Motion CPU turns from OFF to ON, check of the
sequence program (detection of unavailable instructions, device range check, etc.) is
performed. When the safety observation error (error code: 10, detail code: 2700H)
occurs, follow the procedure below.
(1) Confirmation of error sequence program
The name and the title of the faulty sequence program file change in the PLC
read screen of GX Works2/GX Developer and are displayed as below.
(a) In case that No error occurs
(b) In case that error of "SAFETY_1" program occurs
The program of error is renamed the name "ERRLAD- ".
Note): Do not read the faulty sequence program file (ERRLAD- ) and do not
use it. Unexpected data is included, which may cause a malfunction.
Former program name is added to the title.
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