How do I troubleshoot my central air conditioner that no longer blows cold air?
It's a small, seemingly simple unit without too many parts. I'd like to attempt this myself, but I don't have a troubleshooting manual for it. It recently stopped blowing cold air. I discovered blown fuses and replaced them, but that didn't solve it. The fuses likely blew as a result of the problem (the blower will blow regardless of weather the A/C unit is running or not). Now it COULD be that the freon leaked out, in which case I'll have no alternative but to call an HVAC to repair it. But I'd like to narrow it down. I suppose the compressor may have failed. I suppose it could be something else. The motor DOES run and the fan blades DO spin. Any clues/troubleshooting tips would be greatly appreciated! If the brand would help, I'll get the name. I'm thinking Frigidaire, but I'm not 100% on that. Thanks!

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