Delta VFD13AMS43ANSAA

Chapter 13 Warning CodesMS300
512
ID No.
Display on LCD Keypad
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, then PLor warning occurs.
Action Time
Immediately act when the fault is detected
Warning Setting Parameter
N/A
Reset Method
Check if the program is correct and download the program again. If the fault
does not exist, the warning automatically clears.
Reset Condition
N/A
Record
N/A
Cause
Corrective Actions
The program detects internal
source code error during PLC
operation
1. Disable PLC
2. Reset the PLC program (Pr.00-02 = 6)
3. Enable PLC
4. Re-download the PLC program