VJZ Posted September 15, 2007 Share Posted September 15, 2007 My AC has been out for a while and is some underlying problem with the compressor. However, tonight I tried using the heat and when set to 83 degrees, it still blows cool air like the outside temperature is. What's the first place to start to get an answer for this? Quote Link to comment Share on other sites More sharing options...
VJZ Posted September 15, 2007 Author Share Posted September 15, 2007 I ran the diagnostics test and came up with code 21 and code 23 (flashing and beeping on the climate control screen). Code 21 is apparently for the solar sensor and 23 for the pressure switch circuit, correct? If so, what do I need to do to fix this problem. I NEED heat, but my AC isn't a priority at this point. Quote Link to comment Share on other sites More sharing options...
VJZ Posted September 16, 2007 Author Share Posted September 16, 2007 I swapped the vacuum hoses on the round dome (I think the HCV?) and the heat instantly was working. What is the problem? Quote Link to comment Share on other sites More sharing options...
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