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

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My garage door opener stoped working after a storm.

My garage door opener quit working after an electrical thunderstorm. Is it a fuse in the motor assembly that I can replace or I'm doomed and I just lost about $350.00 and I have to buy a new one. The door opener info is as follows: Brand: Liftmaster; Model: 3280; Serial# 4745514201149; 120 V; Hz 60; 1/2 HP; Amps 60. I have a Chamberlain Whisper Drive Garagedoor 1/2HP opener, also after a electric storm it will not open by remote control, I am able to open it manual, what can I do? Does anyone has an answer, I would appreciate it very much.

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TRY TO REPROGRAM THE REMOTES TO THE OPENER - THESE UNITS CAN LOSE THE MEMORY DURING STORMS.

I WOULD SUGGEST ADDING A SURGE PROTECTOR AT THE PLUG IN TO PREVENT DAMAGE TO YOUR UNIT IN THE FUTURE.

Posted on May 23, 2010

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I have a Craftsman garage door opener Model# 139-18059. It is a wireless keypad and wireless remotes. I go through everything the tell me and stilll cannot get door to open or close. Is there a button...


Does the wall control not work? Have you checked the house circuit breaker? Is there power to the opener? Motors very rarely go bad. If you have had a power surge or electrical storms I would suspect the logic board. You can pull this board and check for missing traces on the printed circuit.

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If this all happened at the same time you have either had an electrical storm that cooked your logic boards or you have something in the house or garage that is interfering with the radio signal. If you added something new it should be obvious but this can happen at any time with older electrical gadgets. Check the LED on the rear of the motor unit. If it is blinking rapidly it is showing interference. Start unplugging until it quits. It could also be one of the remotes. Watch the LED and pull the batteries from them. Random blinking of the LED is normal.

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AFTER A RECENT ELECTRICAL STORM AND A NEARBY LIGHTENING STRIKE THE GFI PLUG BLEW. ONCE RESET THE GARAGE DOOR MOTOR WILL NOT FUNCTION. LIGHTS COME ON - I RESET THE REMOTES BUT NOTHING . AT FIRST THE MOTOR...


I would pull the logic board and check for burnt or missing traces on the printed circuit. Garage door openers hate electrical storms. I really doubt it got to your start capacitor.

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There are no fuses in the opener. Pull the logic board (the end where all the white wires go) and check for burnt or missing traces on the printed circuit board. This is not uncommon where there are electrical storms.

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My garage door opener stoped working after a storm.


there is a 2amp fuse inside the opener. go get one and replace it. please look at what kind of fuse it is it's the one that has glass all around and about 1 inch long. to replace this unplug the unit then take the 4 screws out take cover off and you will see the fuse inside

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