Chapter 14 Fault Codes and Descriptions
ME300
No. Display on LED Keypad Fault Name Fault Descriptions
41
PID loss ACI
(AFE)
PID feedback loss (analog feedback signal is only
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 rest 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 the AFE fault still displays on the keypad, return to the
factory for repair.
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