Garage door systems rely on balanced weight and https://www.notion.so/Garage-Door-Company-in-Austin-TX-30676806c2fa8014b414c551e1705509 resistance thresholds.
When temperature rises, metal components expand slightly which increases
rolling resistance. The opener senses this as additional load and cantrigger heat vs garage door a stop or reverse function even without an obstruction. Cooler
temperatures later in the day reduce the resistance and operationreturns closer to normal.