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How do you fix Liftmaster garage door error codes?

Alton Alexander
By Alton AlexanderUpdated on June 3rd, 2022

The LiftMaster error code is a generic error code that is used to indicate a problem with the garage door opener. There are a number of different reasons why this error code can occur, such as a problem with the power supply, a problem with the opener itself, or a problem with the garage door sensors. If you see this error code, it is important to contact a qualified garage door repair technician to diagnose and resolve the issue.

Other common searches for this error include:

  • liftmaster error code 4-4
  • liftmaster error code 1-2
  • liftmaster error codes

1. Check the batteries in the remote control and/or keypad

To check the batteries in the remote control and/or keypad, follow these steps:

1.Open the battery cover on the remote control. 2.Remove the four batteries and place them in a safe place. 3.Close the battery cover. 4.Press and hold the button on the remote control until the green light flashes twice. 5.Release the button and wait two seconds. 6.Press and hold the button on the remote control until the green light flashes four times. 7.Release the button and wait two seconds. 8.Press and hold the button on the remote control until the green light flashes eight times. 9.Release the button and wait two seconds. 10.Press and hold the button on the remote control until the green light flashes twelve times. 11.Release the button and wait two seconds. 12.Press and hold the keypad button for five seconds. 13.Release the keypad button and wait two seconds. 14.Press and hold the keypad button for ten seconds. 15.Release the keypad button and wait two seconds. 16.Press and hold the keypad button for fifteen seconds. 17.Release the keypad button and wait two seconds. 18.Press and hold the keypad button for twenty seconds. 19.Release the keypad button and wait two seconds. 20.Press and hold the keypad button for thirty seconds. 21.Release the keypad button and wait two seconds. 22.Press the power button on the remote control to turn it off. 23.Remove the batteries and replace them with fresh batteries. 24.Replace the cover on the remote control. 25.Press the power button on the remote control to turn it on.

2. If you have a chain drive unit, check to see if the chain is loose or needs to be lubricated

  1. Open the liftgate and place a ruler on the ground to measure the distance between the bottom of the drive sprocket and the ground. If the measurement is more than 2 inches, the chain may need to be lubricated.
  2. Close the liftgate and disconnect the power cable from the lift.
  3. Remove the cover from the drive motor.
  4. Disconnect the chain from the motor.
  5. Check the chain for wear and tear. If the chain is worn, replace it with a new one.
  6. Lubricate the chain with a suitable lubricant.
  7. Reconnect the chain to the motor and the cover to the drive motor.
  8. Close the liftgate and reconnect the power cable to the lift.

3. If you have a belt drive unit, check to see if the belt is loose or needs to be replaced

  1. Check to see if the belt is loose by turning the power off to the lift and removing the belt. If it is loose, you will need to replace the belt.
  2. If the belt is not loose, check to see if there is an error code displayed by the lift. If there is an error code, follow the instructions for fixing the error code.

If you didn't find success with an option above, then try:

  1. Make sure that there is nothing blocking the garage door sensors.
  2. Check to see if the garage door opener motor is overheating by feeling it. If it is hot, wait for it to cool down and try again.
  3. Try resetting the garage door opener by unplugging it from the power outlet for 30 seconds and then plugging it back in.