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How do I fix LiftMaster 8500W error code 1-5?

Published on April 7th, 2022

The LiftMaster 8500W is a garage door opener that uses a chain drive to open and close garage doors. This opener is equipped with a safety feature that will prevent it from operating if there is an obstruction in the path of the garage door. If the opener senses an obstruction, it will stop and then reverse the direction of the garage door. This safety feature is known as the anti-entrapment feature.

The LiftMaster 8500W has a built-in diagnostic system that will display an error code if there is a problem with the opener. The error code will appear on the opener's display panel as "1-5." This error code indicates that the opener's anti-entrapment feature has been activated.

There are several reasons why the anti-entrapment feature may be activated. One reason is that there is an object in the path of the garage door. Another reason is that the garage door is not properly balanced. If the garage door is not balanced, it will place too much force on the opener's chain, which can cause the opener to stop and reverse.

If the error code appears, it is important to remove the obstruction and/or balance the garage door. Once the problem has been corrected, the opener can be reset by pressing the "Learn" button on the opener's control panel.

Users typically search for a solution by asking about:

  • liftmaster error code 1-5
  • liftmaster 8500w error code 1-5

1. Check the garage door opener’s manual for troubleshooting steps

  1. Verify that the battery is installed in the opener correctly and has power.
  2. Verify that the cables are connected to the opener and the control unit properly.
  3. Verify that the opener is turned on.
  4. Verify that the garage door is open.
  5. Verify that the garage door opener’s manual contains the troubleshooting steps for the error code.

2. Check to see if the garage door opener is plugged into a power outlet

1.Check if there is power to the garage door opener by plugging in a lamp or other electrical device. 2.If there is power, then check to see if the garage door opener is plugged into a power outlet. 3.If the garage door opener is not plugged in, then check to see if there is a power cord plugged into a power outlet. 4.If there is a power cord plugged into a power outlet, then the garage door opener is not plugged in. 5.If the garage door opener is not plugged in, then the garage door opener may be broken and needs to be replaced.

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

  1. Call a professional to service the garage door opener.
  2. Check to see if the garage door opener’s batteries are dead.
  3. Restart the garage door opener.