Your garage door may not be opening when you push the button due to several common causes related to power, remote, wall button, safety sensors, or mechanical failure that prevents operation. First, check power, as opener may be unplugged, breaker tripped, or GFCI outlet tripped, so opener lights off indicate power issue. Remote battery may be dead, causing weak signal, so replace battery and reprogram remote by pressing learn button on opener and pressing remote. Wall button wiring may be loose, as two low-voltage wires connect wall console to opener and can become loose or damaged, so tighten terminals and check for wire damage. Safety sensors near floor that are dirty, misaligned, or have blinking LEDs can prevent opener from responding, as sensors must show solid lights, so clean lenses and align until solid. Manual lock on door track may be engaged, physically preventing opening, so disengage slide lock. Trolley may be disconnected from emergency release cord pulled, so door not connected to opener, requiring re-engagement by pulling cord toward door. Travel limits set incorrectly can cause opener to think door is already open. Broken torsion spring makes door too heavy to lift, and opener may hum but not move, requiring professional spring replacement costing 200 to 400 dollars. Lock mode engaged on wall console disables remotes, so unlock by holding lock button. Opener logic board failure or stripped gear also prevents opening and needs professional repair.
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