ice forming on unit

Old 01-07-01, 09:24 AM
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I have an electric heat pump and i noticed ice had formed around the outside of the unit.What causes this and hoe do i fix it? Thanks!
Old 01-07-01, 12:50 PM
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There are a few things that can cause icing on the outdoor unit. One, is normal operation. Does it defrost? What is your time setting for defrost? Or is it demand defrost? Are your freon levels right? Filters clean? Coils clean? Is the outdoor fan shutting down during defrost? Is the unit keeping temperature?

[Edited by fjrachel on 01-07-01 at 05:34]

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