Repair or replace a garage door opener?

Many opener problems come from the door, the sensors or a setting, not the motor. Before you decide between repair and replacement, find out what is actually failing. This guide explains the signs that point each way and the checks you can make safely.

An opener lifts a door that the springs have already balanced. When a spring is worn, a roller binds or a track is bent, the opener works harder and may stop, reverse or labor. Chamberlain lists an out-of-balance door among the causes of an opener that stops or reverses partway, and Genie says a door that stalls or sticks may come from bent or broken tracks, rollers or fasteners, or from a defective opener.

Replacing an opener will not cure a door problem, and it can hide one. We inspect the door and the opener together before recommending either. See opener repair and garage door repair.

Several common faults are not a reason to replace the whole unit:

• The door reverses or will not close. Clopay and Genie both list dirty, misaligned or blocked sensors as a cause. See safety sensors not working.
• The remote does not work but the wall button does. Clopay says a weak battery or lost programming is the likely source. See remote or keypad not working.
• The door stops short or reverses at the floor. Travel limits or force settings may need adjusting, per Chamberlain and Clopay.
• The motor hums but nothing moves. The cause may be a door or spring problem. See opener hums but the door does not move.
• A single worn part, such as a remote, a sensor or a wall control, can be replaced on its own.

Manufacturer pages also point to internal parts. Chamberlain names the motion sensor, a worn drive part and the logic board as possible causes. Clopay says if the travel module or logic board is worn, replacing the opener is the recommendation. Whether to repair a part or replace the unit depends on the model and its age, which is why a technician should confirm the cause first.

Genie states that most garage door openers last an average of 10 to 15 years, though it notes many last longer. Age alone is not a reason, but these signs together make replacement worth considering:

• Repeated faults. Genie lists inconsistent operation, often wiring-related, and opening or closing on its own, often a circuit board short or stuck buttons, as reasons to consider replacement when the opener is old and unreliable.
• Loud screeching or scraping and slow operation that persist after the door itself has been serviced. Genie says the motor struggles more with age.
• No modern safety features. Photo eyes or equivalent devices have been mandatory for residential openers since 1993, according to UL, and CPSC's final rules cover openers made on or after January 1, 1993. If your opener has no photo eyes, replacement is a safety upgrade.
• Fixed-code security. Genie says older openers with 9 or 12 dip switches used a fixed code that is easier to guess, while rolling-code openers change the code each time the remote is used.
• Missing features you want. Genie lists battery backup, Wi-Fi smartphone control, integrated LED lighting and quiet belt-drive models as available on newer openers. See smart and Wi-Fi openers and chain, belt, screw and direct-drive openers.

These checks keep you on the floor. Do them only if the door looks normal, with no crooked sides, no gap in a spring and no frayed cable.

1. Find the model number on the motor unit and note roughly when it was installed.
2. Look for photo eyes on both sides of the door near the floor. DASMA says they should be no higher than six inches above the floor.
3. Check that the wall control, remote and keypad all work, and replace remote batteries first.
4. Watch whether the problem is steady or intermittent, and whether it follows the door's position.
5. Note any noises or flashing lights. Meanings vary by brand and model, so check your model's manual.
6. Write down what you see and hear so the technician can compare it with the opener and the door.

Stop and bring in a technician if the door is hard to lift, crooked, off its track, or has a visible spring or cable problem. DASMA says a door that feels heavy or needs two hands to lift is likely out of balance and calls for a trained door systems technician. Do not keep running an opener against a heavy or damaged door. Do not disable the sensors to get the door to close.

A technician can inspect the door, springs, tracks and rollers, check the opener's travel and force settings, and tell you whether repair or replacement makes sense. If replacement is the answer, we handle opener installation.

This is a general guide. A technician can check your specific opener. For a related question about the door itself, see repair or replace the whole door.

• Garage Door Opener Repair
• Garage Door Repair
• Garage Door Opener Installation

• Genie: Signs it is time to replace your garage door opener
• Genie: Reasons to replace an old garage door opener
• UL Standards and Engagement: Automatic garage door standards
• CPSC: Final rules for automatic garage door openers
• Clopay: Why does my garage door reverse at the floor
• DASMA: Garage door opener safety tips