Mitch Haley wrote:
If you are very low on charge, the low pressure switch will cut out the compressor. If there's a high pressure switch, that can cycle the compressor if system is overcharged, has air in it, or if the expansion valve is clogged.
If it worked great yesterday, either you lost charge overnight, or perhaps the fan doesn't draw air through the condenser and the high pressure switch shuts it down when the condenser hits critical temp. Or the expansion valve suddenly became stuck or clogged?
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