Delta VFD2A8MS21ANSAA

Chapter 14 Fault CodesMS300
581
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
41
PID loss ACI
(AFE)
PID feedback loss (analog feedback signal is only valid
when the PID function is enabled)
Action and Reset
Action Condition
When the analog input < 4 mA (only detects 4–20 mA analog input)
Action Time
Pr.08-08
Fault Treatment Parameter
Pr.08-09
0: Warn and continue operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: Warn and operate at last frequency
Reset Method
Auto
When Pr.08-09 = 3 or 4, AFE is a “Warning”. When the feedback
signal is > 4 mA, the ”Warning” is automatically cleared.
Manual
When Pr.08-09 = 1 or 2, AFE is a “Fault”. You must reset manually.
Reset Condition
Immediately reset
Record
When Pr.08-09 = 1 or 2, AFE is a “Fault”, and the fault is recorded; when Pr.08-
09=3 or 4, AFE is a “Warning”, and the warning is not recorded.
Cause
Corrective Actions
PID feedback cable is loose or cut
off
Tighten the terminal.
Replace the cable with a new one.
Feedback device failure
Replace the device with a new one.
Hardware failure
Check all the wiring. If AFE fault still exists, return to the factory for repair.