Purchased a GE window unit last year and used it one month. It was installed in my workshop and used to cool while babysitting my daughters dogs for a month. It has not been turned on since. I tried to turn it on a few days ago and nothing happens. There is no LED lighting where it shows the temp. The plug in indicator light for power is lit when i plug it in so there is def power to the unit. What might be the problem?

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