I have a Samsung top loading washer model WA52M7750AV. When plugged in I can hear a relay click, and when I hit the power button I hear another relay click, but get nothing on the display boards.

While the power is connected on green led on the system board flashes every 3 seconds regardless if the power button has been pressed
Another led on the system board flashes 3 times after the power button is pressed and then never again.

Is the system board bad, or is one or both of the display/input boards bad?


Model Number
What have you tried so far?

Check the main fuse on the system board

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Service diagnostics guide, Wiring diagram, Parts breakdown, Service bulletins, Service pointers, Job aids, Videos

Are you getting any error codes? If you are then go to the diagnostics flow chart below and find the error code and it will walk you through the diagnostics process. If you are not getting any error code you will need to go to the Service manual link below on page #20. This will walk you through the power checks and board diagnoses. Then go to page #38 in the training manual for ( Test modes ) . These tests will need to be done to determine what part is malfunctioning on your washer.

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