This is the fix for the Chamberland / Liftmaster MYQ DoorOpener 041A7928-3 – This can be traced back to faulty Capacitors. When you hear a beeping noise or if it stops working, here is the fix. Be carefuly, the new MYq units may look cheaper, but in reality they come with a subscription plan you need to pay for. Repairing this unit, is much much much cheaper and better for the long run.
If you want to repair it easily, solder on 1 or 2 new 1 farad 2.7 capacitors
buy capacitors here:
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