Craftsman 1/2 hp garage door opener problem
My craftsman garage door opener model 139.53675SRT2 will not go down all the way when I press the Control Console. The door goes down about 6 inches and the returns to the up position and the light blinks. If I hold down the Console button the door will close. The car remote open the door, but do not close it.
I noticed that both safety sensors lights are not on ( green color). I removed both wires that lead to the sensors form the main assembly. Doing this did not allow the door to close on it own.
Is the main power board gone bad, if so is it worth getting an new board? The opener is 13 years old.
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