Garage door opener repair and replacement

Updated 2026-11-02

Openers that hum without moving, stop halfway or reverse on their own can often be repaired, but openers made before 1993 lack the entrapment protection now required by federal rules and are worth replacing for safety alone (CPSC).

What should you check first?

• Power: is the opener plugged in, and has a breaker or GFCI outlet tripped?
• Sensors: are both photo-eye lights steady and the lenses clean?
• Lock: is the door's manual lock or the opener's "lock" button engaged?
• Remote: try the wall button. If that works, replace the remote battery.

What do federal safety rules require?

Since 1993, residential openers must have external entrapment protection, such as photo-eye sensors near the floor or a door-edge sensor, or a constant-pressure wall control, plus a warning label (CPSC; 15 U.S.C. 2056a). CPSC's 1992 announcement cited 54 children who had died trapped under garage doors since 1982.

Repair or replace?

Replacing a worn gear, sensor or circuit board is often worthwhile on a newer opener. If the opener is old, noisy, or lacks modern safety features or battery backup, a new opener is usually the better spend. National guides put opener installation at around $220 to $540 (HomeAdvisor).