If there are any obstructions preventing the sensors from communicating move them out of the way.
Sears 1 2 hp garage door opener troubleshooting.
Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener.
If the problem occurs on first operation of the opener door is locked.
The sensors have to be able to detect flashing lights from one another for the garage door to open and close properly.
Unplug the garage door opener and check the wiring connections on the panel.
Garage door springs are broken.
Repair the garage door if it doesn t travel smoothly.
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.
The trolley may be jammed into stop bolts.
Then test whether the opener works.
Sears 39 18205sr 1 2 hp garage door opener troubleshooting 1.
Pull or push on door while motor is humming to release jammed condition.
Unplug the garage door opener to reset the logic board.
Masterremote 2 for sears craftsman 139 53753 garage door opener remote 315mhz 139 53985d.