Mitsubishi Electric MELSEC-L SERIES Basic User Manual page 231

(5) Program example
The following shows a sample program that clears the open error code of the connection number 1 (when the I/O
signals of the E71 are X/Y00 to X/Y1F).
CHAPTER 15 DEDICATED INSTRUCTIONS
Specify the open abnormal code of
connection 1.
Specify the error code clear.
Execute the ERRCLR instruction.
Process upon completion
(Error information is cleared.)
Process upon abnormal end
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