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MyQ controller not working
I have the 8500 Jackshaft and the 888LM MyQ control panel. This has been installed and working properly for about 2 years. Yesterday, I could not open the garage door manually(from pushbutton on garage wall). I noticed the red and yellow lights were blinking. After about 1 hr, there were no lights blinking. I unplugged the Jackshaft and plugged back in. I cannot open the garage door manually from wall control unit, I can open from all programmed remotes. MyQ does not function from cell phone and I get error message 308. Troubleshooting...removed wall controller, checked voltage to controller=ok, if I short wires out, the garage door will open.
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Steve,
I am sorry to hear that you are having a problem with the your opener. If the opener will run by shorting out the wires for the door control, it sounds like the issue maybe the 888LM. I would suggest calling into our technical support line for further diagnosis.
https://www.liftmaster.com/Customer-Service-Support/Contact-Us
Sincerely,
Dawn -
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