Delta MS300 Series User Manual page 594

ID Display on LCD Keypad
48
Action Condition
Action Time
Fault Treatment Parameter
Reset Method
Reset Condition
Record
Cause
ACI cable is loose or cut off
External device failure
Hardware failure
Fault Name
ACI loss
(ACE)
Action and Reset
When the analog input is < 4 mA (only detects 4–20 mA analog input)
Immediately act
Pr.03-19
0: Disable
1: Continue operation at the last frequency
(warning, ANL is displayed on the keypad)
2: Decelerate to stop (warning, ANL is displayed on the keypad)
3: Stop immediately and display ACE
When Pr.03-19 = 1 or 2, ACE is a "Warning". When analog input
Auto
signal is > 4 mA, the warning is automatically cleared.
Manual When Pr.03-19 = 3, ACE is a "Fault". You must reset manually.
Immediately reset
When Pr.03-19 = 3, ACE is a "Fault", and the fault is recorded.
Tighten the terminal.
Replace the cable with a new one.
Replace the device with a new one.
Check all the wiring. If ACE still exists, return to the factory for repair.
585
Fault Descriptions
Analog input loss (including all the 4–20 mA analog
signal)
Corrective Actions
Chapter 14 Fault CodesMS300