Delta CP2000 Series, User Manual

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Chapter 13 Warning Codes

CP2000
13-7
ID No. Display on LCD Keypad 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 level When the analog input is lower than 4mA (only detects analog input of 4–20mA)
Action time Pr.08-08
Warning setting 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 4mA.
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=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, return to the factory for
repair.
ID No. Display on LCD Keypad Warning Name Description
12
ACI analog signal loss
(AnL)
Analog input current loss (including all analog 4–20mA
signals)
Action and Reset
Action level When the analog input is lower than 4mA (only detects analog input 4–20mA)
Action time Immediately act
Warning setting parameter
Pr.03-19
0: Disable
1: Continue operation at the last frequency (warning, keypad displays ANL)
2: Decelerate to 0Hz (warning, keypad displays ANL)
3: Stop immediately and display ACE
Reset method
Auto
“Warning” occurs when Pr.03-19=1 or 2. The “Warning automatically
clears when the analog input signal is larger than 4mA.
Manual “Error” occurs when Pr.03-19=3. You must reset manually.
Reset condition Immediately reset
Record Does not record when Pr.03-19=1 or 2 (“Warning”).
Cause Corrective Actions
Loose or broken ACI wiring
Tighten the terminals again.
Replace with a new cable.
External device error Replace new device.
Hardware error
If the AnL error still occurs after checking all the wiring, return to the factory for
repair.