Opener light does not turn on when door operates, but opener otherwise works.

Safety first: Unplug the opener before changing bulbs or inspecting the socket.

Steps to fix:

• Replace bulb: Install a new bulb of the type and wattage recommended by Chamberlain. Avoid non-garage-rated LEDs that may cause interference.
• Inspect socket: Check for corrosion or burned contacts. Clean lightly or replace the socket if damaged.
• Test light function: Use the wall control light button (if equipped) to toggle the light. If it never turns on with a known-good bulb, the light relay on the logic board may be faulty.
• Replace logic board: If the light circuit has failed, replace the logic board.