Repair the motor or replace the opener
When an opener stops working, the motor itself is not always the culprit. Openers fail from worn drive gears, blown capacitors, faulty logic boards, and stripped trolleys, many of which are repairable for less than a new unit.
A true motor failure, where the motor is burned out or seized, usually means replacing the whole opener, because the motor is integrated into the head unit and a standalone motor swap is rarely cost-effective. A technician will diagnose which part failed before quoting a repair or a replacement.
What the repair or replacement costs
Component repairs are the economical path when the opener is otherwise sound:
- Drive gear or belt replacement: $85 to $200
- Capacitor replacement: $100 to $200
- Logic board replacement: $150 to $350
- Trolley or carriage repair: $100 to $250
When the motor is dead or the opener is old, a full replacement runs $250 to $650 installed depending on drive type, which is often the smarter spend on an aging unit.
Signs the motor is failing
Certain symptoms point to a motor or opener problem rather than the door itself:
- The motor hums but the door does not move
- The opener runs but the door stays still (stripped gear or trolley)
- Intermittent operation or the unit cutting out mid-cycle
- Burning smell or visible scorching at the motor
- The opener struggles or reverses on a properly balanced door
Rule out a broken spring first, since an unbalanced door can overwork and falsely implicate the motor.
Drive type and replacement cost
If replacement is the answer, the new opener's drive type sets the price. A chain-drive replacement runs $250 to $450 installed, a belt drive $350 to $600, and a wall-mount jackshaft $500 to $900.
Matching the horsepower to your door weight matters: heavier insulated, wood, and glass doors need three-quarter or full horsepower. A new opener also brings modern safety sensors, rolling-code security, and often Wi-Fi, which an old failing unit likely lacks.
When replacement is the better value
Even when a repair is technically possible, replacement often makes more sense on an older opener. If the unit is more than twelve to fifteen years old, has needed prior repairs, or lacks photo-eye safety sensors, the repair only postpones the next failure.
A new opener resets the clock with a fresh warranty, quieter operation, and smart features. Weigh the repair cost against a $250 to $650 replacement; if the repair approaches half that and the opener is aging, replace it.
Motor repair versus opener replacement
| Job | Low | Average | High |
|---|---|---|---|
| Drive gear / belt repair | $90 | $150 | $200 |
| Capacitor replacement | $100 | $150 | $200 |
| Logic board replacement | $150 | $250 | $350 |
| New opener (chain/belt) | $250 | $450 | $650 |
| New wall-mount opener | $500 | $700 | $900 |