Chapter 13 Warning Codes|MH300
ID No.
Display Warning Name Description
11
PID feedback error
(PID)
PID
feedback loss (warning for analog feedback
signal; works only when PID enables)
Action and Reset
Action condition
When the analog input is lower than 4 mA (only detects analog input 4–
20 mA).
Action time Pr.08-08
Warning treatment parameter
Pr.08-09
0: Warn and keep operation
1: Fault and ramp to stop
2: Fault and coast to stop
3: Warn and operate at last frequency
Reset method
Auto
“Warning” occurs when Pr.08-09=0 or 3. The “Warning
automatically clears when the feedback signal is larger than 4
mA.
Manual
“Error” occurs when Pr.08-09=1 or 2. You must reset manually.
Reset condition Immediately reset
Record
Records when Pr.08-09=1 or 2 (“Error”).
Does not record when Pr.08-09=0 or 3 (“Warning”).
Cause Corrective Actions
Loose or broken PID feedback
wiring
Tighten the terminals again.
Replace with a new cable.
Feedback device malfunction Replace with a new feedback device.
Hardware error
If the PID error still occurs after checking all the wiring, send the drive
back to the factory for repair.
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