LiftMaster / Chamberlain / Craftsman · Garage Door Opener error code

Battery LED solid orange + beep every ~2 sRunning on battery

Single source Power off, standard tools

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

Related diagnostic guides

Guide · Garage Door Opener

Opener beeping (battery backup)

Beeps come from the battery backup: running on battery, low battery or a worn-out battery. Replace the 12 V battery when the LED is solid red.

3 steps ~20 mineasy

Guide · Garage Door Opener

Remote or keypad will not operate the opener

Check lock/vacation mode first, then the remote battery, then reprogram using the Learn/SET button. Short range is often radio interference from nearby LED bulbs.

4 steps ~20 mineasy

Guide · Garage Door Opener

Noisy garage door opener

Loose fasteners, poor lubrication, slack chain, worn drive gear or an unbalanced door. Separate opener noise from door noise by running each alone.

4 steps ~40 mineasy