Chamberlain Liftmaster 41DB002-2Circuit Board Purple/Learn Button.
1) Absence of light on the garage door wall button.
2) Orange LED lit on one of the beam sensors.
3) Malfunctioning or flickering light bulb on the motor assembly.
4) Unpredictable flashing light on the garage door wall button.
5) Garage door failing to move up or down.
6) Radio Frequency malfunction - remotes not functioning or unable to be programmed. This will enhance your remote range!
7) Garage door goes up, but not down, or vice versa.
8) Clicking sounds.
9) No response, complete inactivity.
We can repair the problems