LiftMaster Error Code 3-5 | Troubleshooting and Prevention Guide

Is your garage door displaying the diagnostic code 3-5? Don’t worry; we’re here to help you understand why this error is occurring, what behaviors your garage door and opener may exhibit, and how to diagnose and fix the issue. Additionally, we’ll provide tips on preventing such problems and maintaining your garage door.

Why the Error Is Occurring

The error code “3 Up 5 Down” is displayed when the Cable Tension Monitor is tripped or not detected. This component plays a crucial role in ensuring the safe and smooth operation of your garage door.

Behaviors of the Door/Opener

When this error occurs, you may notice the following behaviors with your garage door and opener:

• The garage door begins to close but reverses to the open position.
• The garage door does not move and remains in the open position.
• If you have a Wi-Fi-enabled RJO (Remote Jackshaft Operator), the work light will flash 5 times after fully reversing if installed.

Symptoms and Resolutions Based on LED Lights

Symptoms:

• Garage Door Opener will not close.
• Opener lights, if installed, will flash 5 times.

Resolutions:

Cable Tension Monitor Not Installed:

• Resolution: Install cable tension monitor.

Roller on the Wall Side of Cable:

• Resolution: Place the roller over the cable.

Broken Cable Tension Monitor Wire:

• Resolution: Identify the cut or broken wire and repair or replace it.

Cable Tension Monitor Detects Slack in the Cable:

• Resolution 1: Reset the open limit to allow more of the bottom door panel in the vertical track. Ensure there is enough room for the door to open sufficiently for the car to enter the garage.
• Resolution 2: Lift the back hangs 1 to 2 holes.
• Resolution 3: Install cable keepers.
• Resolution 4: Install pusher springs.
• Resolution 5: Replace the cable tension monitor.

Prevention and Maintenance Tips

Preventing garage door issues is just as important as knowing how to fix them. Here are some preventive measures and maintenance tips:

• Regularly inspect your garage door’s components, including the cable tension monitor, for signs of wear and damage.
• Keep the cable tension monitor wires in good condition, avoiding kinks and fraying.
• Lubricate moving parts of the garage door and opener as recommended in the manufacturer’s manual.
• Test the safety features of your garage door opener periodically to ensure they are functioning correctly.
• Avoid overloading your garage door with heavy objects, as this can strain the cable tension monitor.
• Schedule professional maintenance checks annually to address any potential issues before they become major problems.

By following these prevention and maintenance tips, you can keep your garage door operating smoothly and minimize the chances of encountering error code “3 Up 5 Down” or other issues.

Conclusion

In conclusion, understanding the reasons behind error code 3-5 and knowing how to address it can save you time and money on garage door repairs. Regular maintenance and attention to detail are essential for keeping your garage door in excellent condition, ensuring it operates safely and reliably for years to come.