Garage door systems rely on balanced weight and resistance thresholds.
When temperature rises, metal components expand slightly which increases
rolling resistance. The opener senses this as additional load https://southerntintdetailpros.com/why-you-should-keep-your-car-in-a-garage/ and cantrigger a stop or reverse function even without an obstruction. Cooler
temperatures later in the day reduce the resistance and operationreturns closer to normal.