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Old 11-15-2008, 08:47 AM   #1
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Heating/ AC unit


Over the summer my A/C unit went down. The compressor will come on for about 15-20 seconds and shut back off. I tried trouble shooting it myself checking switches, relays, fuses, and wires, but could not find the problem. I call a local repair company and was told I had a bad compressor. Because the repair was going to be costly I decided to wait. Now that cooler weather is here we are running the heater and I have noticed the furnace is doing the same thing. Could this still be do to a bad compressor?

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Old 11-15-2008, 12:09 PM   #2
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Heating/ AC unit


Do you have a heat pump ?

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Old 11-15-2008, 12:21 PM   #3
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Heating/ AC unit


if it is a heat pump the compressor runs the same in cooling/heating mode.the 3-way valve is the stat call for what air handler sees in temperatures.if it is a gas fired furnace there is no connection between them only the 24Vs and the stat
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Old 11-16-2008, 02:23 PM   #4
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Thanks for the replies, i have tried other boards and got nothing you guys are great.
it is not a heat pump. the therm is about 4 years old and is one of those programmable ones. i think i will try to replace the the therm and see if anything changes.
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