The liftmaster garage door opener lights will flash for ten times.
Liftmaster garage door light does not work.
Check the fuse or breaker box.
If you are experiencing any of the following issues your light bulb may not be compatible.
Check if something is blocking the way of the safety sensor.
Bulbs will not work in older garage door openers and some people believe these new style bulbs can actually interfere with the transmitter and receiver causing the opener remotes to not work properly.
If you are experiencing any of the above issues replace the light bulbs with cfl bulbs or.
Not able to program a new remote control or keypad.
Plug a lamp into the wall outlet that services the console to check the power.
Listen for the light relay on the logic board to click.
Refer to your product manual to ensure your light bulbs do not exceed the recommended size and wattage for your unit.
Check for a blinking light on the multi function door control panel.
When the safety sensor is not properly aligned or something is obstructing the light beam the garage door will fail to close.
Remote control or keypad will close the garage door but won t open it.
If the light is blinking push the lock button to turn off the lock feature.
If the lamp works in the outlet the console power supply works.
Eliminate any item in between the sensors.
To troubleshoot your liftmaster safety sensors.
Remote control only works when it is close to the garage door opener.
If you hear a click replace the light socket if you do not hear a click replace the logic board.