Hello all...looking for some expertise and direction. I recently began having some issues with a larger dehumidifier that runs in an enclosed shop building. It has been a terrific unit, but the coils started freezing up. I cleaned the filter and also replaced the humidity sensor, but that had no effect. Is this normal (I assume not) and if not, what would be the underlying cause? Can this unit be repaired?

Thanks in advance for any and all assistance!

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