Delta VFD11AMS23ANSAA - Page 520

Chapter 13 Warning CodesMS300
511
ID No.
Display on LCD Keypad
Warning Name
Description
53
Function defect
(PLFn)
PLC download function code error
Action and Reset
Action Condition
The program detects incorrect command (unsupported command) during PLC
downloading, then PLFn 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
Unsupported command has used
while downloading the program
Check if the firmware of the drive is the old version. If yes, please contact Delta.