[Solved] SAMSUNG WW12K840OW - Whashing machine addwash blocked...

Hi friends, I have a big problem in my washing machine...
turns on but does not change programs...
big door always locked...
when the washing machine is off, I can open only the small door...
Impossible to enter in calibrate function...
if I push secret key combination in the display compare AC6 code alarm...
Can your help me? many thanks for reply...

No secret codes only AC6 is an inverter problem, take a photo after removing the cover.

Ok done...

Dodano po 10 [minuty]:

Good evening everyone, I update the situation with some details ...
I disassembled the control/inverter boards and found another surprise, the old owner replaced the onboard PCB fuse with a flying one ...
I also verified a strange thing, if I try turning the motor by hand it is jerky, but if I remove the connector it becomes free again.
I measured the stator resistance, 2 phases have 5mΩ one instead 2.5mΩ ...
When I turn on the washing machine the green LED of the large board turns green and then continues to flash, same thing for the second LED of the inverter card which remains after a while off ... I add the codes of the 2 cards ...

06DC9201877A control board
06DC9201378D inverter board

Hello everyone,
solved the problem by replacing the rectifier bridge and IGBT...