Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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When I leave in the morning for work the opener works fine, but when i return from work the door will not open by the remote

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It sounds like you may have limited range and the signal is being reduced by the door. Try replacing the battery in the remote.

Posted on Aug 03, 2010

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My fixed garage door opener opens fine, but only closes if it is held down. My remote garage door openers do not work at all. I replaced the sensors and they appear to work fine. I tried to reprogram the...


If the sensor is working right, that leaves the downward force sensor tripping. First check for track obstrucions by manually moving the door with the lift disengaged. If door works without excessive force, then increase the force sensor of the lift a bit.

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the mechanism at the door lock is not returning the park position that's why you can't open it try lubricating the lock, the return spring could be hanging up. worst case scenario you will have to remove the door panel and lubricate it from the inside. the lock is fine.

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My remote intermittenly opens/closes the garage door


You can find a free manual for your door opener at manualsonline .com You might want to look at how to program it and change the unit to a different frequency. You can sometimes get better response and eliminate interference. Also make sure your battery contacts in the remote are clean.

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Opened my garage door remote and now it doesnt work


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Program remote control for mazda mpv 2002


Courtesy of: forums.mazdaworld.org

Try this, it works on several 2002 models:


Step 1: Open drivers door and leave open.

Step 2: Lock and unlock the drivers door using the power door lock switch on the door.

Step 3: Insert key into the ignition.

Step 4: Turn key to on position and return to off position. (IMPORTANT - use ON position NOT ACC position). Do this 3 times within 10 seconds. Leave key in the ignition.

Step 5: Open and close the drivers door 3 times. (Door should be left open after this step).

Step 6: ECU should respond by locking and unlocking the doors.

Step 7: Press any button on remote #1. ECU responds by locking and unlocking the car doors.

Step 8: Press any button on remote #2 (etc.) Each time the ECU will respond by locking & unlocking the doors.

Step 9: Remove the key from the ignition and the ECU will respond a final time with a series of door locks and unlocks. You're done

Dec 06, 2008 | 2000 Mazda MPV

5 Answers

Opens when we're not at home


Here is the manual, so you can change your code. This should FixYa:) Let me know if you need more help!

http://lib.store.yahoo.net/lib/aaaremotes/976LM-manual.pdf

Thanks!

Nov 03, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Remote only closes the garage door, will not open it


Anytime a door opens and/or closes randomly or doesn’t work consistently I look for a smashed wire between the motor unit and the wall button.

If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal.

Loosen the staples with a small screwdriver and slide the wire about ½ inch to move any areas of thin insulation away from the staples.

The second thing would be a bad wall button or a remote with a sticking button.
Or a remote in someone’s purse that gets the button pushed by other stuff in the purse.

The test is to disconnect the push button wires at the power unit. If the self operation / interference stops you have located the problem. If you reconnect the wires and disconnect the wire at the wall button this will tell you if the problem is the wire or the button.

In your case the expansion of the wall in the afternoon may be enough to cause pressure on the wire to increase the problem – works in the morning but not the afternoon.

Also after you change the batteries you need to reprogram the remotes.

HOPE THIS HELPS

Aug 08, 2008 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Keyless entry remote


Try this, it works on several 2002 models:


Step 1: Open drivers door and leave open.

Step 2: Lock and unlock the drivers door using the power door lock switch on the door.

Step 3: Insert key into the ignition.

Step 4: Turn key to on position and return to off position. (IMPORTANT - use ON position NOT ACC position). Do this 3 times within 10 seconds. Leave key in the ignition.

Step 5: Open and close the drivers door 3 times. (Door should be left open after this step).

Step 6: ECU should respond by locking and unlocking the doors.

Step 7: Press any button on remote #1. ECU responds by locking and unlocking the car doors.

Step 8: Press any button on remote #2 (etc.) Each time the ECU will respond by locking & unlocking the doors.

Step 9: Remove the key from the ignition and the ECU will respond a final time with a series of door locks and unlocks.

Jun 20, 2008 | 2002 Mazda Protege

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