Disconnect the wall control wire from your craftsman opener.
Craftsman chain drive garage door opener troubleshooting.
Follow the steps in this repair guide and video to replace the gear and sprocket assembly in craftsman chamberlain and liftmaster chain drive garage door openers.
Garage door springs are broken.
View and download craftsman garage door opener owner s manual online.
Craftsman 1 2 hp garage door openers are for residential garage use.
Repeat safety reverse test after adjustment is complete.
You will use it as a jumper wire in the next step.
Replace a broken gear and sprocket assembly with the manufacturer approved replacement part.
Garage door opener garage door opener pdf manual download.
Cut a 3 inch strand of insulated wire and peel the ends.
Insert the jumper wire into the wall control terminals on the garage door opener to see if the garage door moves.
This is related to the up limit switch.
If the gear and sprocket assembly breaks the motor runs but the door won t move.
Ensure that the unit is plugged in the door isn t locked and if you are using a remote that the remote has batteries.
Check the breaker controlling the door opener and reset if it it s tripped.
Craftsman 139 53315sr garage door opener troubleshooting 1.
Try making small adjustments.
1 2 hp 315mhz garage door opener for residential use only.
Most of the features and functions on each model work in the same way.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
Always look for loose hardware before you start checking out any other problems that might be associated with your chain drive garage door opener begin looking at the various nuts and bolts on the unit.
Troubleshooting your chain drive garage door opener is easily done by following a few steps.
The trolley may be jammed into stop bolts pull or push on door while motor is humming to release jammed condition.
Chain drive rail extension.
Chain drive garage door opener.
The owner can resolve most everyday issues with craftsman 1 2 hp garage door openers.
When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem.
Each of the several models of the craftsman 1 2 hp garage door opener is operated by a chain drive.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.