I have two units, both must be 20+ years old. Today one unit stopped going up but goes down. When I press button to go down, light comes on, motor goes on and it goes down. Once light is off, I press button to go up, light comes on, but motor doesn't come on. Limit switches seem clear. I even tested the switches by disengaging door, pressing button, then manually activitating each switch at different times and both switches will turn off motor.
The fact that the light comes on when I try to open it tells me it is getting power and a signal to "open" but motor doesn't turn on......
Door moves freely, no broken springs.
Any idea what else I could check or what it could be?
The fact that the light comes on when I try to open it tells me it is getting power and a signal to "open" but motor doesn't turn on......
Door moves freely, no broken springs.
Any idea what else I could check or what it could be?
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