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What would cause you not to be able to change the bRO braking resistor monitoring parameter on the ATV930 drive from no ignore to FLT error?

Issue:
What would cause you not to be able to change the bRO braking resistor monitoring parameter on the ATV930 drive from no ignore to FLT error?

Product Line:
ATV930

Environment:
All 

Cause:
ATV930 braking parameter settings. 

Resolution:
The function BRO, braking resistor monitoring is available up to size 5 (90Kw 400V),
When the braking module is outside the drive it impossible to know by the firmware program the braking time.
 This timing in mandatory to monitor the braking resistor power.
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