Chapter 14 Fault CodesMH300
ID No.
Display Fault Name Description
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”.
signal is > 4 mA, the ”Warning” is automatically cleared.
Manual
When Pr.08-09=1 or 2, AFE is a “Fault”. You must rest manually.
Reset condition Immediately reset
Record
When Pr.08-09=1 or 2, AFE is a “Fault”, and the fault is recorded;
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 the AFE fault still displays
the factory for repair.
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