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Old Jun 14, 2011 | 02:49 PM
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Default a/c
my a/c blows cool air no matter what temperature i put it on and the econo button is always on, no matter how many times i press it. Does it do that for a reason?
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Old Jun 15, 2011 | 04:24 AM
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Generally means it needs to be recharged. It does not allow the compressor to be engaged if you are low on freon to prevent damage.
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Old Jun 15, 2011 | 06:03 AM
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Originally Posted by lyleswk
Generally means it needs to be recharged. It does not allow the compressor to be engaged if you are low on freon to prevent damage.
I think he's saying the opposite. It appears to be always on, and refuses to go into "econ" mode. I've never seen one "fail" in this manner. Perhaps the button on the HVAC head unit is broken?
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Old Jun 15, 2011 | 08:59 AM
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Good clarifier. If the ECON light is off, the compressor will engage based on demand; if the ECON light is on, it will not. I assumed you were describing the latter. Which is it?
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Old Jun 16, 2011 | 12:42 PM
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It's always on econ mode
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Old Jun 17, 2011 | 03:39 AM
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Originally Posted by jpatino
It's always on econ mode
My misunderstanding then. If it's always ON, then it's likely your system has an insufficient R134a charge. If so, find the leak, fix it, and then have it recharged to spec.
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Old Jun 17, 2011 | 03:50 AM
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Is there an easy way to find the leak?
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Old Jun 17, 2011 | 05:44 AM
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Shops usually service the system with 134a with a dye in it that will locate the leak when it leaks out. They evacuate the system, work the leak, and then recharge. I have never done A/C work myself. Just don't want to invest in the tools.`
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Old Jun 17, 2011 | 07:45 AM
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Originally Posted by jpatino
Is there an easy way to find the leak?
Roll up your sleeves and check all the lines on the system. There's o-rings where the lines connect together. Also check the condenser and the A/C compressor. You're looking for greasy goo that is the result of refrigerant oil attracting dirt.
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Old Jun 17, 2011 | 07:52 AM
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Getting isn't the issue. I don't know what to look for or where to look for it.
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