Delta VFD4A8MS23ANSAA User Manual

Chapter 14 Fault CodesMS300
573
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
28
Under current
(uC)
Low current detection
Action and Reset
Action Condition
Pr.06-71
Action Time
Pr.06-72
Fault Treatment Parameter
Pr.06-73
0: No function
1: Fault and coast to stop
2: Fault and ramp to stop by the 2
nd
deceleration time
3: Warn and continue operation
Reset Method
Auto
When Pr.06-73 = 3, uC is a “Warning”. The warning is automatically
cleared when the output current > (Pr.06-71+0.1A).
Manual
When Pr.06-73 = 1 or 2, uC is a “Fault”. You must reset manually.
Reset Condition
Immediately reset
Record
When Pr.06-71 = 1 or 2, uC is a “Fault”, and the fault is recorded.
Cause
Corrective Actions
Motor cable disconnection
Troubleshoot the connection between the motor and the load.
Improper setting of low-current
protection
Reset Pr.06-71, Pr.06-72 and Pr.06-73 to proper settings.
The load is too low
Check the load status.
Check if the motor capacity matches the load.

Delta VFD4A8MS23ANSAA Specifications

General

Brand	Delta
Model	VFD4A8MS23ANSAA
Category	DC Drives
Language	English