When your MyQ garage door app displays a "Close Error" and refuses to close the door remotely, it's detecting a safety hazard through the optical sensors. The most common culprit is misaligned or sunlight-blinded safety eyes at the bottom of your garage door tracks.
Quick answer
- Root cause: Safety sensors are misaligned, blocked, or overwhelmed by direct sunlight interfering with the infrared beam
- Primary fix: Align sensors until both LEDs are solid (not flickering) and shield the receiving eye from afternoon sun
- Backup method: Wall button still works but requires holding it down to override safety
- Applies to: Chamberlain, LiftMaster, and Craftsman openers with MyQ technology
Symptoms
- Tap "Close" in MyQ app but door doesn't move
- System beeps or flashes warning lights, then stops
- App displays "Close Error" or "The door cannot be closed" message
- Wall button works fine when held down continuously
- Problem occurs mainly during afternoon hours with direct sunlight
Quick checks
Check the sensor LEDs: Look at the small black boxes at ankle height on both garage door tracks. The sending eye should show solid amber, receiving eye should show solid green.
Test sunlight interference: If this happens around 4 PM, shadow the receiving sensor with your body and try closing through the app.
Verify basic alignment: Stand behind the sensors and look across—you should see the infrared beam path is clear of obstacles, cobwebs, or debris.
Step-by-step fix
-
Locate the safety eyes on both sides of the garage door tracks at ankle height—one has an amber LED (sending), one has green LED (receiving)
-
Clean the sensor lenses with a dry cloth to remove dust, cobwebs, or water spots that could block the infrared beam
-
Check LED status on both sensors:
- Solid amber + solid green = properly aligned
- Flickering or off green LED = misalignment issue
-
Adjust misaligned sensors by loosening the wing nuts and gently bending the bracket until the green LED becomes solid and stays solid
-
Test for sunlight interference by covering the receiving eye (green LED) with your hand during problem hours—if the door closes normally, sunlight is the issue
-
Create sunlight shading by either:
- Swapping sensor positions (move receiving eye to shadier side)
- Installing a small cardboard tube or plastic shield around the receiving sensor lens
- Adjusting sensor angle slightly downward to avoid direct sun exposure
-
Tighten all connections and ensure wing nuts are snug so vibration from door operation won't cause re-misalignment
-
Test full operation through the MyQ app during both sunny and non-sunny conditions
If it still isn't working
Check for wire damage: Inspect the thin wires running to each sensor for staple punctures, corrosion, or breaks—damaged wiring requires running new 2-strand bell wire.
Examine MyQ hub placement: If using a retrofit Smart Garage Hub, ensure it has clear line of sight to sensors without its own status lights reflecting back and confusing the system.
Verify sensor mounting: Sensors should be no higher than 6 inches from the floor and perfectly aligned across the door opening—remount if brackets are bent or loose.
Contact professional service: If sensors appear perfect but MyQ still reports errors, the opener's main control board may have a failed safety circuit requiring technician diagnosis.
FAQ
Why does the wall button work but not the app? The wall button can override safety sensors when held continuously, but MyQ remote operation requires all safety systems to be fully functional for liability reasons.
Can I bypass the sensors to make MyQ work? No—bypassing safety sensors is illegal and dangerous. MyQ will detect tampering and disable remote operation entirely to prevent accidents.
Why does this only happen in the afternoon? Direct sunlight contains infrared radiation that overwhelms the receiving sensor, making it unable to detect the sending sensor's beam. The sun angle changes throughout the day.
Will swapping sensor sides affect safety? Not at all—either sensor can be the sender or receiver. Swapping positions is a legitimate fix recommended by manufacturers to avoid sunlight interference.