Craftsman DC motor garage door opener · exact showing
Craftsman DC motor garage door opener showing 4 Up flashes, 3 Down flashes: meaning and exact next steps
4 Up flashes, 3 Down flashes means Craftsman's service table, as Sears PartsDirect publishes it, lists this code as: garage door binding or travel limits not set properly. This answer applies only to Craftsman DC motor garage door opener, as covered by the table Sears PartsDirect publishes for that appliance. A different model or series may word or number these codes differently.
On the covered Craftsman DC motor garage door opener, 4 Up flashes, 3 Down flashes means craftsman's service table, as Sears PartsDirect publishes it, lists this code as: garage door binding or travel limits not set properly. First, check for bent door tracks or obstructions in the tracks.
Check for bent door tracks or obstructions in the tracks.
Correct only the documented fault domain
Reversible
Pull the emergency door release to disconnect the garage door from the opener trolley. Open and close the door manually, checking for smooth door operation. Have a garage door repair technician fix the door and tracks if the door binds up on the tracks. If the door is okay, program the up travel limit to stop the opener once the door fully opens. Program the down travel limit to stop the door when it touches the floor.