Delta VFD2A8MS21ANSAA

Chapter 13 Warning CodesMS300
513
ID No.
Display on LCD Keypad
Warning Name
Description
55
Function defect
(PLFF)
Function code error during PLC operation
Action and Reset
Action Condition
The program detects incorrect command (unsupported command) during PLC
operation, then PLFF warning occurs.
Action Time
Immediately act when the fault is detected
Warning Setting Parameter
NA
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 PLC runs an incorrect
command during operation
When starting the PLC function and there is no program in the PLC, the PLFF
warning occurs. This is a normal warning, please download the program.