Garage door opener
#1
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Garage door opener
How do I determine if my garage door opener has a circuit board problem or a capacitor problem?
#2
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Not sure about the capacitor. If you look at the circuit board inside, look for any black marks. That would mean your board has blown. Any bubbling, off color marks or black means your circuit board is fried.
#3
Maybe if you described the issue in detail, we could help. Caps normally exhibit some swelling or leaking, but to the untrained eye may look fine.