crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0
crwdns2918538:0crwdne2918538:0

liftmaster garage will not open, red/yellow led blink and beep

crwdns2936025:01crwdne2936025:0 —
Model and issue

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crwdns2935483:0crwdne2935483:0

This is the door opener, 888LM. I had a constant red/yellow light blinking and a beep coming from the unit. Replacing the garage door opener main board, did not change anything. (screw is marked)

crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0