Then test whether the opener works.
Sears garage door opener logic board problems.
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Connect the wires to the new logic board.
Short the red and white terminals by touching both terminals at the same time with a piece of wire.
Unplug the garage door opener and check the wiring connections on the panel.
Install the mounting screws in the new logic board.
The sensors have to be able to detect flashing lights from one another for the garage door to open and close properly.
Craftsman 1 2 hp chain drive garage door opener.
We have liftmaster brand logic boards for sears craftsman jackshaft garage door operators.
Sears craftsman 41a4252 12 garage door opener circuit board.
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Reinstall the control panel on the motor unit and secure it with the mounting screws.
Reinstall the light bulb and light cover.
Here is a brief trouble shooting guide.
A recent thunder storm knocked out the garage door opener.
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Common problems experienced with garage door openers are often due to a faulty logic board.
A power surge due to lightening or a power outage in the house can damage the boards.
Check the sensors on either side of your garage door.
If not remove the bell wire from the opener terminal screws.
We have craftsman logic boards for new and older model craftsman liftmaster and chamberlain garage door operators.
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Push the antenna wire through the hole on the corner of the control panel.
If the opener runs check for a faulty wire connection at the wall control a short under the staples or a broken w ire.
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 there are any obstructions preventing the sensors from communicating move them out of the way.
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Sears troubleshooting website which is also great by the way said it was the logic board.
Sears craftsman 41d4674 garage door opener circuit board.
If the light does not come on when the door opens or go off when it closes the problem could be the logic board.
