I had the same problem on my 21 DutchStar two weeks ago. The coach had been sitting in my RV port all winter with infrequent visits. Step worked one day then not the next. Stuck retracted. It was extremely hot that day and step exposed to direct sun light, in Florida. Been there, done this before. First step lubricate every pin and hinge you can access. Next step rap on motor and actuator arm with end of a hammer while DW hits open/close switch. Presto. Open. Lubricate more and cycle. Key clue is does the light under step come on when door is opened. If so, it’s a mechanical issue not electrical.
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Dave & Debbie
2021 Newmar DutchStar 4369
2016 Ford Edge&2019 Ford F-150 toads
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