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Sears 1 2 hp garage door opener troubleshooting.
Garage door springs are broken.
Check the sensors on either side of your garage door.
The sensors have to be able to detect flashing lights from one another for the garage door to open and close properly.
The trolley may be jammed into stop bolts.
If the wiring connections are okay wait a few minutes before plugging the garage door opener back in disconnecting the power resets the logic board after an electrical disturbance.
If the problem occurs on first operation of the opener door is locked.
Then test whether the opener works.
If there are any obstructions preventing the sensors from communicating move them out of the way.
Repair the garage door if it doesn t travel smoothly.
Sears 39 18205sr 1 2 hp garage door opener troubleshooting 1.
Unplug the garage door opener and check the wiring connections on the panel.
Masterremote 2 for sears craftsman 139 53753 garage door opener remote 315mhz 139 53985d.
Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener.