Linear LC075 not working, yet it shows all Linear are compatible with Myq

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Setting up my new MyQ door controllers on my Linear door. I get fast blinking lights.. which shows charging, but then I'll get a double beep and then the lights go slow blinking.. which shows not compatible. I've disconnected the new MyQ and reconnected. Still same results.  Before I call for service I thought I'd ask here for some help. 
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Jstew

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Posted 1 year ago

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MyQ Community Manager, Official Rep

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Hi Jstew, 

I'm looking into this issue. Can you tell me what color the light is that is blinking fast, and then slow? 

-Chuck  
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Jstew

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Thanks for helping...both lights flash slow for about 30 sec... 3 quick beeps then both lights flash fast for about 30 sec. then repeats. there is about a 5 sec delay between quick and slow where both are off.  I moved the controller right to the opener incase I had some wiring issues. But that didn't seem to change it at all.  
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MyQ Community Manager, Employee

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Jstew, I'd like to have one of our technical support experts handle this. Is it OK if they contact you at the email address associated with the MyQ Community? -Chuck
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Jstew

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Yep.. that'll work perfect.  Thanks Chuck
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Jstew

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Still no contact.. Is some one gonna email me or should I call the support line?
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MyQ Community Manager, Employee

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Jstew, here's the tech support number 800-528-9131. Give them a call and I'll keep working through my channels. We'll get this solved. Lauren
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MyQ Community Manager, Employee

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Jstew, was tech support able to help? Lauren
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Jstew

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Kinda I guess. they said that I had to use  the product 821LM and that the MyQ Retrofit Package
MYQPCK I was trying to connect with the Linear doesn't work. Wish this would have been more clear on the product info page.  I've ordered the 821LM and see how it goes.    
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Jstew

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Maybe I should have started with this information.  I have a shop with two different door operators. One a liftmaster which I have installed the 888LM on. The other is the Linear that isn't compatible with the 888LM.. So I was told I need to use the 821Lm, which I've ordered... What will be the difference in the two as far as the app is concerned...??? . Or would it be better to just use two sensors for the 821LM and return the 888LM?  I guess I'm confused as to the difference in products. Thanks for the help. Love the app and hoping to get this working. 
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MyQ Community Manager, Employee

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Jstew, let me know how the 821LM treats you. Here if you need anything. Lauren