Delta VFD040C43A-21 - Page 1019

Chapter 14 Fault Codes and DescriptionsC2000 Plus
14-116
ID
Display on LCD Keypad
Fault Name
Fault Descriptions
190
Bandwidth estimation
error
(BWAT)
Other faults occur to the drive when using Explorer for
ASR Auto Tune.
Action and Reset
Action condition
Fault occurs during ASR frequency bandwidth estimation
Action time
N/A
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
Reset immediately
Record
Yes
Cause
Corrective Actions
The frequency bandwidth
estimation is out of control
Increase torque command and speed command to stabilize the estimation.