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Bitran Motor control Board GTD/EEMoo82a

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4017 Tech
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This board is used in Electrolux machines and controls the motor spin function. I am looking at diagnosing a problem with the board not turning the motor but am coming up short with this diagnosis. Does anyone have any common faults that cause the issue as I have checked the main control chip and the opto cuplers and voltage reg IC but them all seem to be fine. Is there anywhere I can get a schematic or operational video for this PCB? LOVE the ET site.

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