My garage 220VAC source developed an open neutral. After repair, have 110 VAC OK but both of the door openers are totally unresponsive. No lights, no diagnostic code flash.
Manual does not give info on a reset or fuse other than power off/on to reset, which does not work,,,
When you have had an electrical problem like this it is difficult to advise from afar. There are so many possibilities that you will need a professional to inspect your system.
Were the electrical repairs made by a professional electrician? What caused the problem in the neutral? Would any of this cause an electrical surge?
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