Delta VFD2A7MS43ANSAA

Chapter 13 Warning CodesMS300
518
ID No.
Display on LCD Keypad
Warning Name
Description
60
PLC scan time fail
(PLSF)
PLC scan time exceeds the maximum allowable time
Action and Reset
Action Condition
When the PLC scan time exceeds the maximum allowable time (400 ms), the
PLSF 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 scan time exceeds the
maximum allowable time (400 ms)
Check if the source code is correct and re-download the program.