You press close, the door starts down, then stops and goes back up. In a Twin Cities winter, that's one of the most common garage door complaints, and it's usually the opener's safety system doing its job. Something is either blocking the sensors or making the door feel like it hit something.
How reversing works
Openers reverse for two reasons:
- The photo-eye sensors see the beam broken. The U.S. Consumer Product Safety Commission (CPSC) explains that openers sold in the U.S. have required a reversing system since 1991, with external entrapment protection, such as an electric eye, added in 1993. CPSC says an electric eye should sit 4 to 6 inches above the floor.
- The door meets more resistance than the opener expects. The force setting decides how much is too much.
Cold weather can trigger both.
Check 1: Frosted, snowy, or salty sensor lenses
Each sensor sits low on either side of the door, right where slush, road salt spray, and blowing snow collect.
- Wipe both lenses with a soft, dry cloth.
- Clear the beam path. Snow piles, ice chunks, shovels, and bins all count.
- Look at the indicator lights. Most sensors have a light on each unit. A light that's off or flickering usually means the sensors are out of line or a lens is blocked.
- Gently realign a bracket that's been bumped (by a shovel or snowblower, for example) until both lights are steady.
- Check the wires along the wall for damage.
Condensation can also fog a lens when the garage warms up after a cold night. A wipe usually clears it.
Not sure what the sensor lights are telling you? See garage door sensor light blinking for LiftMaster, Chamberlain, and Genie light codes.
Check 2: Ice where the door lands
A ridge of ice, packed snow, or a frozen lump of slush at the threshold can make the door touch down early. The opener reads that as an obstruction and reverses.
- Unplug the opener if you can reach it safely.
- Chip the ice away with a plastic tool, working away from the door.
- If the bottom seal is stuck or torn, see door frozen to the ground and bottom seal frozen or torn.
Check 3: A stiff door
When grease on rollers, hinges, and bearings thickens in the cold, the door can bind partway down. The opener feels the extra drag and reverses. Signs: the door moves slowly or jerkily, squeaks or groans more than usual, or reverses at about the same spot each time.
What helps:
- A tune-up, where a technician checks rollers, hinges, and balance and lubricates the moving parts.
- Replacing worn rollers, which bind more in the cold.
What doesn't: turning up the force setting. See the FAQ below for why.
Check 4: Limit settings
The close-limit setting tells the opener where "closed" is. If the door reverses right after touching the floor, the limit may be set too far down. If it stops short, it may not be set far enough. Adjustment steps vary a lot by opener, so follow your manual or have a technician do it.
Check 5: Sun glare
On a bright winter morning, low sun reflecting off snow can shine straight into a sensor lens. If the door only reverses at a certain time of day, glare is a likely cause. Shading the sensor often helps.
Always re-test the auto-reverse
After clearing sensors or changing any setting, test the door. CPSC's guidance: lay a 2x4 flat on the floor in the door's path and close the door. If it doesn't reverse when it hits the board, disconnect the opener until it's adjusted per the manual, repaired, or replaced. CPSC also recommends inspecting the door and opener every 30 days.
When it's not the sensors
Request help when:
- The door reverses even with clean, aligned sensors and a clear floor
- You see a broken spring, loose cable, or a door that's crooked or off track
- The opener strains, hums, or smells hot
- The door is stuck open on a cold night and you can't close it safely
Opener, remote, and keypad repair · Emergency and winter help · Door won't close in cold weather
Angi's national repair guide (updated August 2026) lists sensor repair at $150–$250. More published ranges are in our Minneapolis repair cost guide. The company you're connected with sets its own price.
Getting help in the Twin Cities
Twin Cities Garage Door SOS is a free referral service for homeowners. We're not a repair contractor. When you send a request, we pass it to one independent local garage door company that serves your ZIP code, and that company contacts you with its availability and price. Pricing, scheduling, and the repair itself are between you and the company. Here's how it works.
Sources
- U.S. Consumer Product Safety Commission, Publication 523: Non-Reversing Automatic Garage Door Openers Are a Hazard
- Angi, "How Much Does Garage Door Repair Cost in Minneapolis?" (updated Aug. 9, 2026)
- Angi, "How Much Do Garage Door Repairs Cost?" national (updated Aug. 3, 2026)
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Frequently asked questions
Why does my garage door go back up only in winter?
Three winter culprits are common: frost, snow, or salt spray on the safety-sensor lenses; a ridge of ice where the door meets the floor; and grease that thickens in the cold so the door binds and the opener senses extra resistance. Angi's Minneapolis repair cost guide (updated August 2026) also notes that cold winters can stiffen tracks.
Should I turn up the force setting so the door stops reversing?
No. The force setting decides how much resistance the opener accepts before it reverses. Raising it to beat ice or a stiff door can keep the door from reversing when something, or someone, is actually in the way. Fix the cause instead, and re-test the auto-reverse after any adjustment.
How do I test my garage door's auto-reverse?
The U.S. Consumer Product Safety Commission's Publication 523 says to place a 2x4 on the floor in the door's path. If the door doesn't reverse when it strikes the board, disconnect the opener until it's adjusted per the owner's manual, repaired, or replaced. CPSC also recommends inspecting the door and opener every 30 days.
The door closes if I hold the wall button down. Is that OK?
On many openers, holding the wall button overrides a sensor fault. It's useful in a pinch, but it means the sensors need attention. Clean and realign them, or request help, instead of relying on the override.