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BQ40Z80: Learning cycle failed , stuck in LStatus()not change to 06 and VOK not clear

Part Number: BQ40Z80
Other Parts Discussed in Thread: BQSTUDIO,

Dear TI‘ Team

I have failed twice when doing learning cycle, both are stucked in the step discharging to empty and wait VOK clear. 

My application is a 7S1P pack, the battery is EVE ICR18650-26V , the GPC match the ID 1783 as the report show.

Can anyone help me to check which step or details gose wrong?

the log is :

3808.log.zip

the screen shot of BQstudio is:

and the cycle curve is: