Delta MS300 Series User Manual page 491

Chapter 13 Warning CodesMS300
ID No. Display on LCD Keypad
11
Action Condition
Action Time
Warning Setting Parameter
Reset Method
Reset Condition
Record
Cause
Loose or broken PID feedback
wiring
Feedback device malfunction
Hardware error
Warning Name
PID feedback error
(PID)
Action and Reset
When the analog input is lower than 4 mA (only detects analog input 4–20 mA)
Pr.08-08
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
"Warning" occurs when Pr.08-09 = 0 or 3. The "Warning" automatically
Auto
clears when the feedback signal is larger than 4 mA.
Manual "Error" occurs when Pr.08-09 = 1 or 2. You must reset manually.
Immediately reset
Records when Pr.08-09 = 1 or 2 ("Error").
Does not record when Pr.08-09 = 3 ("Warning").
Tighten the terminals again.
Replace with a new cable.
Replace with a new feedback device.
If the PID error still occurs after checking all the wiring, return to the factory for
repair.
482
Description
PID feedback loss (warning for analog feedback signal;
works only when PID enables)
Corrective Actions