Delta VFD17AMS43ANSAA

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