888LM beeping and red and yellow LED's flashing.

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Allen B

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Posted 1 year ago

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tyler

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I’m having the same problem with the red and yellow lights and beeping. If I unplug it for a day it will work for a couple days then goes back. Is there any other solution besides buying another control panel?
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Rob Brodner

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The fix was posted earlier in this thread.
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Chamberlain Admin, Official Rep

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Hi Ty,

Please email us at social@Chamberlain.com and reference your myQ community thread.
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Ed

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I guess I am the nth person who has this issue with the panel randomly beeping with flashing yellow red lights. Could someone at LiftMaster/Chamberlain offer some assistance? I have tried draining power and reseeding the wires, per another user who posted.
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Chamberlain Admin, Official Rep

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Hi Ed,

Thank you for reaching out. Please forward this to social@chamberlain.com with the subject line "myQ community. panel. Ed." We will escalate your request.
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Howard Hsu

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This just started happening to me today. Even after I disconnected the two wires, the unit emitted a high pitched squeal.  I contacted Liftmaster customer service via chat and this is what Nicky B. said, "Yes this is being sent under warranty. We had a bad batch so even though warranty is only for a year with this being a manufactures defect we will take care of replacing the items needed. The confirmation number for your 888LM is 1000xxxxxx . You will receive within 7 business days."

I have had my unit for four years, but they are covering it because it was part of a defective batch.  It can't hurt to give them your production date and serial number.  There is a decent chance it will still be covered under warranty.

If all else fails, you can replace the two capacitors on the control module board.  Good luck!
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Gary George

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This problem started for me today, and I've emailed social@chamberlain.com.  Please help, thanks.
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Chamberlain Admin, Official Rep

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Thank you, Gary. We see that one of our agents sent you an email.
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Gary George

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Yes, thanks, they got with me very quickly, great service.
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Steve

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I too am having this problem. Sent an email.
(Edited)
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Paul Chintawat

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This started happening to ours last Saturday (10/27).  The only way to avoid going crazy from the beeping is to unplug the opener.  Right now the only way to use the garage is manual open/close.  And that is getting old.  This started about a month after the power door lock failed. I have an 8500.  Could support please help?  Thank you.
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Paul Chintawat

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I opened a case with Chamberlain support. #20181104-1098768.

Do I still need to email social@chamberlain.com?

Thanks!
(Edited)
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Paul Chintawat

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My issue has been resolved.  Chamberlain sent a replacement 888LM at no cost to me.  If you have an issue, please open a support case with them.  Don't pay to get it replaced.
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Paul Chintawat

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If you are having the issue with the red and yellow flashing lights, they'll replace the 888LM.  I opened a case on 11/4, they sent me a replacement that arrived on 11/8.  I swapped it out and my 8500 works again.

Open a support case, call 800-528-9131.  Or open the ticket online. 
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Scott T

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Thanks so much for this forum and information.  I called this morning after reading through the posts and Xavier in customer service helped me out.  Our 888 LM went out last night and after a few questions this AM with him he is sending a new unit.   Amen for the internet and people who take the time to trouble shoot these issues.

  Thanks again to everyone here and Chamberlain for stepping up.  
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Scott T

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BTW...Glad it was figured out that you can just touch the wires running to the 888LM together after disconnecting the unit to open and close the door.  PITA to manually open, close, and lock while we wait for the new unit.  
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rtimes

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I have the same issue with my 888LM. Both lights keep flashing and 3 beeps at about 1 minute interval.
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dieck

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My 888LM started alarming at 3 am this morning.  Going of with long loud beeps and then slowing down to a loud chirp every few seconds.  Took me a while to figure out what it was.  Finally just powered down the whole unit because there was a slight burning smell from the unit and I was worried about it catching fire even though it's a low voltage device.  Garage door is immobilized and unresponsive while beeping is going on.  
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Sameer

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I am having the same issue. Reading all these comments reminds me of the movie G-Force when all the devices had a special chip that made them wake up at the same time and do bad stuff like beeping & flashing...
(Edited)
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Chofu

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I have had random red and yellow flashing lights for a while now, but it seemed to reset after a few minutes. Now the problem is increasing in frequency and length. I read somewhere (instructions maybe) that it was the battery recharging. The problem is getting bad now. And I need a fix or a replacement. I hope I can get the replacement sine it is a known problem.
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Donald Headden

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From all the post concerning the exact problem it appears there may be a good class action lawsuit. If there were different problems I could understand it but they all seem to have the same issue. Any good attorneys out there that wants an open and shut case. This forum by it sell proves the defective product.
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Jojo R

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I’m having the same problem with my 888LM -- the red and yellow lights blinking. I disconnected and reconnected it; it worked for an hour or so, then started blinking again. I opened a ticket with customer support but never heard back. Can someone from Liftmaster/Chamberlain please help?