Chapter 13 Warning Codes|MH300
ID No.
Display Warning Name Description
54
PLC buffer overflow
(PLor)
PLC register overflow
Action and Reset
Action condition
When PLC runs the last command and the command exceeds the
maximum capacity of the program, the PLor warning shows.
Action time Immediately displays when the fault is detected
Warning setting parameter N/A
Reset method
Check if the program is correct and re-download the program. If the
does not exist, the warning automatically clears.
Reset condition N/A
Record N/A
Cause Corrective Actions
The program detects source
code error during PLC
operation
1. Disable PLC
2. Delete PLC program (Pr.00-02 = 6)
3. Enable PLC
4. Re-download PLC program
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