Garage door springs are broken.
Troubleshoot repair craftsman garage door opener gears.
It can be used both on sectional doors and one piece door.
Also verify the antenna on the motor unit is in the proper placement.
As the drive shaft and sprocket rotate they drive the trolley that lifts and lowers the garage door.
You ll need the garage door closed to program the craftsman keypad.
Craftsman openers are self diagnostic.
Repeat safety reverse test after adjustment is complete.
Replace the garage door opener gear and sprocket assembly.
For quick and easy troubleshooting tips for the 53479 garage door opener system refer to the chart below.
You may also need to reprogram your keypad or replace the batteries in it.
Garage door opener won t open all the way fix.
Learn buttons are located on the motor head near the terminal strip for wire connections.
Craftsman garage door openers just like any other garage door opener on the market can have problems.
Sears 53479 is a residential garage door opener provided with a 1 2 hp motor which is a standard choice for most homeowners.
Sears 53479 garage door opener troubleshooting.
Craftsman 139 53315sr garage door opener troubleshooting 1.
For the garage door opener transmitter press and release the smart button on the garage door opener motor unit.
When problems arise following some basic troubleshooting steps will help diagnose the cause of the problem.
The indicator light will glow for 30 seconds.
If you re too far away this can cause a problem with opening or closing the door.
Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.
Most of the features and functions on each model work in the same way.
The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.
The trolley may be jammed into stop bolts pull or push on door while motor is humming to release jammed condition.
The plastic gear on the drive shaft is designed to fail if the garage door gets stuck in the travel tracks protecting the expensive drive motor from damage.