Resolve Liftmaster Error Code 4-6 Yellow Light

Encountering an error code on your Liftmaster garage door opener, especially the 4-6 error with a yellow light, can be concerning, as it indicates a possible issue that needs attention. Liftmaster garage door openers are structured to provide reliable operation, but occasionally, errors may occur due to various factors. Understanding the nature of the 4-6 error and the importance of the yellow light is essential in identifying and resolving the problem easily.

Are you looking for ways to Resolve Liftmaster Error Code 4-6 Yellow Light? By identifying the possible causes and implementing appropriate solutions, you can resolve the error easily and in this guide, we’ll provide you with some quick and easy steps that will help you in fixing the error.

What is the Liftmaster Error Code 4-6 Yellow Light?

The Liftmaster Error Code 4-6 Yellow Light is an indication that there is an issue with the door control board. This error code is displayed when the yellow LED light on the control board flashes four times, pauses, and then flashes six times. Error code 4-6 is usually caused by a problem with the wiring or a defective control board.

How to Resolve Liftmaster Error Code 4-6 Yellow Light

There are several steps you can take to resolve the Liftmaster Error Code 4-6 Yellow Light:

Step 1: Check the Wiring

The first step in resolving the error code is to check the wiring between the control board and the sensors. Make sure that all the wires are properly connected and that there are no frayed or damaged wires. If you find any issues with the wiring, repair or replace it as necessary.

Step 2: Check the Sensors

Next, check the sensors to make sure that they are functioning properly. The sensors are located on the sides of the garage door and are responsible for detecting the presence of any objects in the path of the door. If the sensors are not functioning properly, they may be the cause of the error code.

Step 3: Replace the Control Board

If you have checked the wiring and sensors and the error code persists, it is likely that the control board is defective and needs to be replaced.

Turn off power to garage door opener.
Locate the control board and remove it from the opener.
Install a new control board and reconnect the wiring.
Turn power back on and test opener.

FAQs

What does Liftmaster Error Code 4-6 Yellow Light indicate? The Liftmaster Error Code 4-6 Yellow Light indicates an issue with the door control board. It is displayed when the yellow LED light on the control board flashes four times, pauses, and then flashes six times.
What causes Liftmaster Error Code 4-6 Yellow Light? The error code 4-6 is usually caused by a problem with the wiring or a defective control board.
How can I check if my wiring is causing the error code? To check if the wiring is causing the error code, inspect all the wires between the control board and the sensors to make sure they are properly connected and not frayed or damaged.
What should I do if the sensors are causing the error code? If the sensors are causing the error code, they may not be functioning properly. You should check the sensors and make sure they are aligned and free from any obstructions.
How do I replace the control board if it's causing the error code? To replace the control board, turn off the power to the garage door opener, locate the control board and remove it, install a new control board, and reconnect the wiring. Then turn the power back on and test the opener.

Conclusion

The Liftmaster Error Code 4-6 Yellow Light is an indication that there is an issue with the door control board. To resolve this error code, you should check the wiring, sensors, and, if necessary, replace the control board. By following these steps, you should be able to resolve the error code and restore your Liftmaster garage door opener to normal operation.