Question about Bryant 463AAC008BA Air Conditioner

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Condenser the compressor vibrates bad and then it shuts down code on board says high thermal cutoff

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Hi, what is happening is the unit is shutting off on high head pressure from the sound of it. Bryant units are top of the line! What you need to do is shut the main power off to unit. I dont no if you have a split system 2-part with a indoor unit and outdoor unit or a package unit all in one. It really makes no difference. Go to the outdoor coil, which is the condenser coil. Take a good water hose and wash this coil very good all around and inside where the fan motor is. These units are made for outdoor use but don't spray directly on the controls. Be careful not to mash the fins with to much pressure.If the fan motor outside is running up to a good speed, this will take care of the high head pressure, I know for a fact. Let me know the out come. If by some reason it does not cure this, we will go into it further. I will be waiting to hear from you.
Sincerely,
Shastalaker7

Posted on Jun 04, 2010

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A/C Pressure Cutoff Switch

The A/C pressure cutoff switch is used to interrupt A/C compressor operation in the event of high system discharge pressures.
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The switch contains a second set of electrical contacts used for high-speed cooling fan control.
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