Question about Heating & Cooling
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Posted on Jan 02, 2017
It is possible that it's the thermostat. When you turn it into cool mode, does the unit come on at all or is it silent? If nothing is coming on, then it's likely it's the tstat. Did the tech check the refrigerant charge while he was there? He should have checked it with the auxillary heat off and the unit just in heat mode. Make sure that the condenser unit outside is coming on when you are calling for cool, If you turn it on and everything comes on, go outside and put your hand on the large copper pipe coming into the unit. In cool mode, this pipe will be cold to the touch and in heat mode, the pipe will be warm to the touch. There isn't much you can do on your own with the exception of changing the tstat. If you can answer some of the questions I have posed, I can try and give you some more answers. Just remember that a check up doesn't mean its a guarantee that something won't happen the next day, it's just that everything was in working order at the time of the checkup.
Posted on Mar 21, 2009
SOURCE: 1990 Cadillac Eldorado coupe
Sounds like you mean the " blower " is still operating with the ign key off. Probably a faulty BLOWER MODULE located under the R/R hood. It is a unit mounted on the A/C evaporator case against the firewall. Has 2 electrical connectors and 4 small mounting bolts. In order to confirm it being faulty, FIRST LOCATE MODULE, you note it malfunctioning, tap it, and if the blower turns off, BINGO. Hope this helps
Posted on May 14, 2009
Hi, I looked up you're unit to see just what I already assumed it was, a split system, ductless,9kb.t.u. Ok, 1st go to the outdoor unit to see if it comes on when you turn your t-stat to heating, and be sure you lower the temp. enough to do this test. There maybe a time delay before it starts up, but not long,1-1/2 min. If it doesn't start up, we know that there is a problem.If not on, make sure you check for the power source, locate the breaker it may have tripped, or right at the unit there is a elect. box that should contain 2-fuses.They may be hidden from site under a shield you may have to remove. Check all of this only if this unit is not running. Reset breaker, or replace fuses if not running.If that was the problem and it was off, and now its on, you will have to watch it and if it continues to loose power, you have a problem in a componant as the compressor, condenser fan motor, open or shorted run cap, contactor Ect.You could have developed a freon leak, and it could be off on low pressure.If it is running, it still could be low on freon, reversing valve not changing over, many things can cause this Im afraid to say.The main thing to do or to start, would be to make sure that the outdoor unit is on, fan on, and compressor running if you listen at where the wiring and copper lines enter.You may need to call a tech if you check these things i have suggested and you have no luck. Please be safe and let me know, and we can go from there before you call anyone out.
Posted on Nov 17, 2009
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