4 Best Fixes For Yellow Light On Garage Door Sensor

If you see “Yellow Light On Garage Door Sensor,” there may be an issue with your safety sensors if you have trouble closing but not opening your garage door. These sensors are used to make sure that nothing blocks the bottom door from closing.

5+ Fix Yellow Light On Garage Door Sensor: Troubleshooting Guide

The garage door sensors may cause your door to open but do not close because they only affect the closing of the door. Due to their location, they frequently get bumped, shifted, or covered in dust, grime, or leaves in the garage.

How To Fix Yellow Light On Garage Door Sensor?

  1. Remove Anything that interferes with safety sensors.
  2. A sensor alignment issue
  3. Issue With Damaged Or Broken Sensor Wires
  4. Changing Outdated Sensors for New Sensors

1. Remove Objects That Interferes With Safety Sensors.

Remove Objects That Interferes With Safety Sensors.

If a green blinking opener light occurs, there is probably a problem with the safety sensors being blocked or being out of alignment. However, malfunctioning safety sensors and wiring can also make the Yellow Light On Garage Door Sensor.

  • These sensors use an infrared beam of light to prevent the garage doors from closing to identify objects in the space between them. 
  • The door will not close if something is in the way of these two sensors because it will block the infrared light beam. 
  • Everything that stands between them must be taken out.

2. A sensor alignment issue

A sensor alignment issue

The alignment issue is probably to blame if nothing obstructs the garage door sensors. When sensors show Yellow Light On Garage Door Sensor, there is possibly a problem with the sensors being out of alignment.

  • A wrench and a tape measure are required. Using these tools, carry out the following:
  • Verify that the sensors on your garage door are at least 6 inches off the ground.
  • The precise height at which this garage sensor is situated should be measured and noted.
  • Measure the second sensor’s exact height there. You will need to make adjustments if the height is not the same as the other sensor.
  • For the second sensor, as necessary, Simply uses the wrench to remove the wing nut and raise the sensor to the same level as the first sensor.
  • After completing these instructions, the garage door opener should function normally, and a beam of infrared light should emerge.
  • If the issue persists, the green light blinks, and the Yellow Light On Garage Door Sensor is still on. You should explore alternative options.
  • A spiderweb or other obstruction of the sensor lens by dirt or debris is one potential cause.
  • If you see any dirt on the lens, clean it, and you should be ready to go.

3. Issue With Damaged Or Broken Sensor Wires

Issue With Damaged Or Broken Sensor Wires

Sensors on garage doors ought to function appropriately. But if the issue with the Yellow Light On Garage Door Sensor persists, there might be a problem with the wiring.

  • Most of the wiring running through the walls won’t be visible to you, but you can inspect the wires you can see.
  • Examine the two wires going into the two sensors to make sure they are not disconnected or damaged.
  • Simply reconnect the wires if you see that they are broken, but first, switch off your garage door opener.
  • You’ll need to buy new wires if the old ones are worn out or damaged.

4. Changing Outdated Sensors for New Sensors

The sensors are the issue if you’ve examined the wiring and everything is in order with the wires, but the garage door opener still isn’t working. Sensors can malfunction after extended usage, just like any other electronic device causing Yellow Light On Garage Door Sensor.

  • Age, exposure to water, and prolonged sun exposure are the most frequent causes.
  • You don’t need any prior experience to complete the process of replacing outdated sensors with new ones.
  • When you have a wrench and new garage door sensors, you are prepared to replace them.
  • These sensors are reasonably priced, and you can easily find them on Amazon in any home improvement store.

The Following Steps Are Involved In Replacing The Sensors:

  • Unplug your garage door opener immediately.
  • Use a wrench to remove the wing nuts from your garage door sensors.
  • Simply unplug the sensors and remove them.
  • The new sensors must now be attached to the same location. Ensure that they are the same height.
  • Finally, attach the sensors to the garage door by tightening the wing nuts with the tool.

What Does Yellow Light On Garage Door Sensor Mean?

The presence of Yellow Light On Garage Door Sensor indicates that the safety reverse sensors are misaligned or blocked, which prevents the signal from passing through. Until the problem is fixed, your garage door will not close.

Why Is One Garage Door Sensor Green And The Other Yellow?

1. Misaligned Sensors

A garage door has two sensors, one in charge of transmitting an infrared beam and the other in charge of receiving the signal to open or close the door.

  • When both sensors function properly, solid lighting is produced by their Yellow Light On Garage Door Sensor and green LEDs. 
  • If neither illumination is produced, one or both sensors malfunction.

2. Broken Or Withered Wires:

If the sensors are correctly aligned but the door won’t open, there may be a wiring issue. Check both sensors’ wires first to see if any broken wires are hanging off.

  • Aging sensors with withered wires might also bring on the poor connection in the wires. 
  • Make an appointment with an electrician to fix any broken wiring.
  • Check if you are able to fix the Yellow Light On Garage Door Sensor.

3. A Sensor Failure

If the issue is still present, one or both of your sensors are malfunctioning. Wear and tear, exposure to intense sunshine, or even old age could be the cause.

  • You will need to replace the damaged sensor with a new one, which you can install yourself or have an electrician do for you.

What shade of light should garage door sensors have?

The transmitter and receiver are two different types of sensors.

Both feature an inbuilt LED that needs to be lighted whenever connected to a power source.

  • When both sensors operate properly, the receiver’s LED will only turn green.
  • The transmitter sensor’s LED will only light up Yellow Light On Garage Door Sensor.
  • There must be an issue with the power source if there are no lights.
  • Other colored lights might indicate problems with the sensors if they are visible.

How Are My Garage Door Sensors Reset?

  1. Keep pressing and holding the garage door button
  2. Manually open the garage door
  3. Change the location of the sensors

1. Keep pressing and holding the garage door button

  • Your garage door has a button installed next to the door wall; you must do so to get the door to close. 
  • Till the door closes, continue holding down the garage door button.
  • The sensors would be turned off while you held the button, allowing you to open the door without being detected.
  • Check if you are able to fix the Yellow Light On Garage Door Sensor.

2. Manually open the garage door

  • You can close the door by pressing the wall button, but you might want to think about using the manual technique to open or even close the door.
  • Pull the motor’s cord, which is attached to the ceiling, first.
  • This would detach the door from the chain that controls how it opens and closes.
  • You can open and close the door by lifting or dragging it down.

3. Change the location of the sensors

  • The next step is to take the sensors and the wires that connect them off the garage door’s two sides and place them next to one another.
  • By doing this, you’ll be able to operate the garage door as it once did by using the remote.

How To Tell If Garage Sensor Is Not Bad

1. Object Blocking The Sensors

  • The infrared beam from your sensors can be blocked by a little object like a stray bucket, a child’s toy, or even paint, which will activate the garage door opener safety function.
  • Check to check if the door functions normally after removing any objects.

2. Check Their Alignment And Error Codes

Assuming nothing is blocking the passage between them, ensure both lights are on.

Adjust the safety eyes slowly until the green or red LED light (receiving) reappears and remains steady.

  • When the Yellow Light On Garage Door Sensor or orange LED light returns and remains steady, the sensors have been successfully adjusted.
  • Try once more to shut the garage door normally. If it shuts smoothly, your issue was probably just a misaligned set of safety eyes on the garage door opener.
  • Even after you’ve tried to align them, one (or both) of these lights won’t turn on.
  • Check the LED troubleshooting light on your garage door motor unit located on the opener.
  • The blinking LED light on your motor unit may have an error code.

3. Test Your Safety Sensors

It is possible to test your safety eyes directly through the motor unit to check for damaged sensors or an unseen wiring break.

How To Identify A Damaged Garage Door Sensor?

  1. The Height Of The Door Sensors.
  2. Acquire Boxes
  3. Analyze the sensors
  4. Verify the LEDs on the sensors.
  5. Lens Cleaning
  6. Keep An Eye Out For Things In The Area.
  7. Check For Moisture
  8. Verify Any Wire Damage

1. The Height Of The Door Sensors.

The Height Of The Door Sensors.

To determine the necessary height of things to block the garage door sensors, measure the sensors’ height. Keep in mind that if the sensors detect an object nearby, they will prevent the door from opening or shutting.

2. Acquire Boxes

Obtain some boxes, ideally cardboard ones. Check the boxes’ height to ensure it is greater than the height of the door sensors.

Place the boxes next to the sensors at the garage doorway. Check if you are able to fix the Yellow Light On Garage Door Sensor.

3. Analyze the sensors

Analyze the sensors

Make sure the door is open and turn the opener on. You have the option of pressing either the remote button or the close button that is positioned on the garage wall. 

  • If the garage door closes, the sensors aren’t working. Therefore that’s a bad sign. 
  • In this situation, you should either have a technician assist you or examine the opener’s alignment. 
  • The sensors operate properly if the door returns to its open position.

4. Verify Any Wire Damage

Verify Any Wire Damage

The sensors may stop working if there is any wire damage. Check the wires for damage or chewing. 

  • The sensor could malfunction if it receives too much moisture from the rain or sprinklers. 
  • The sensors need to be changed if the wire has been harmed. 

5. Verify the LEDs on the sensors.

Verify the LEDs on the sensors.

A LED light is attached to the outside of each sensor that is fastened to the garage door. Turn on the electricity, then examine each LED on both sensors. 

  • Any LEDs with a blinking light indicate that they need to be aligned to work properly. 
  • By tightening the screws holding the sensors in place, you may easily adjust them. 
  • Bend the bracket to tilt it back to the proper place if the blinking is still active. If the LEDs keep blinking, get in touch with a specialist.
  • Check if you are able to fix the Yellow Light On Garage Door Sensor.

6. Lens Cleaning

Lens Cleaning

The door sensors’ lenses are vulnerable to grime, which prevents them from operating well. Examine the area for debris and cobwebs that could damage the sensor lenses. Make use of a soft, lint-free cloth to clean the lenses.

7. Keep An Eye Out For Things In The Area.

  • Test it out to determine if the door will still crush the box you’ve placed in front of the sensor. 
  • If the door closes, look around the area for any potential obstructions. 
  • Remove any animals, plants, or gardening equipment from the doorway. 
  • Close the door to see if it stays open, indicating that the sensors are working properly.

8. Check For Moisture

The sensors might stop working if they were exposed to sprinklers, pressure washers, or direct rainwater. It is best to wait until they are completely dry before checking to see if they are functioning properly.


Is the operation of your garage door opener problematic? Are you uncertain about sensor lights? What shade of light should garage door sensors have? The safety sensors in your garage door opener could be the cause of its malfunction. 

After following the above article you will know about the “yellow light on garage door sensor.” You must pay attention to the opener lights that are blinking. The flashing light codes will let you know if the safety sensors are misaligned or blocked. 


How To Fix Yellow Light On Garage Door Sensor?

Don’t worry if you notice a yellow light on one or both of your garage door sensors; this is very typical. Cleaning the lenses on both sensors and ensuring that they align with one another is the simplest cure for this.

Why Is One Light Green And One Light Yellow On My Garage Door Sensors?

No matter the alignment or obstruction, the sending sensor’s amber light will continue to shine. (It means that this light will always be on no matter what.) Alignment is necessary if the receiving sensor’s green light is faint, flickering, or off (and the path of the invisible light beam is unobstructed).

Do Both Garage Door Sensors Have To Be Green?

Usually, there will be a light on each sensor. The red light on the other will indicate that there is no obstruction between the sensors and that they are “seeing” each other. One will have a green light to indicate that the devices are powered on.

What Color Should The Garage Door Sensor Lights Be?

What shade of light should garage door sensors have? Green should be the receiving light, while yellow should be the transmitting light. To resolve the cause of the issue, you must also examine the light on the motor unit. To remedy it on your own or with the help of professionals, you must first identify the problem.