Issue:
Why does my drive display dCb when stopping?

Product Line:
ATV31, ATV312, ATV32, or ATV320

Environment:
All

Cause:
Why does the drive show dCb on the display?

Resolution:
dCb indicates DC Injection Braking is active in the drive.
This is a mode of stopping the load where the drive will inject DC voltage/current into one phase of the motor and is used to produce stopping torque or kill any momentum left in the load.  It does not provide holding torque at 0 speed.

There are 3 methods DC Injection that can be set up in the drive.