Quote:
Originally Posted by arh Hi, I got one error while connecting a BP-250 , UNKNOWN ERROR 4021, i tried all the way to connect it, by restarting,reinstalling the bms ,STILL I COULD NOT. I THERE ANY OTHER OPTION??  ,OTR THAN COLD BOOT!! WHAT DOES IT MEAN BY ERROR 4021 OR 4020 ???? BEST REGARDS ARH |
Hi
Just had unknown error 4021 myself. No idea what the cause is
Regards
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