Delta VFD040C43A-21 - Page 1020

Chapter 14 Fault Codes and DescriptionsC2000 Plus
14-117
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
191
Positioning failure
during estimation
(ATPF)
The motor cannot operates to assigned position when
using Explorer for ASR Auto Tune.
Action and Reset
Action condition
The speed feedback cannot decrease to 5% and below
Action time
5 seconds
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
Reset immediately
Record
Yes
Cause
Corrective Actions
Positioning vibration during
estimation
Verify if the load is stable. It cannot position successfully if the load vibrates.