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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a carrier 3 ton and the unit outside when i turn it

Customer Question

i have a carrier 3 ton and the unit outside when i turn it on it runs for a few minuets and shuts down and starts up again after a couple of seconds and keeps on turning on and off like that
Submitted: 1 year ago.
Category: HVAC
Customer: replied 1 year ago.
i also have paid someone to check and add coolant also
i replaced the blower board myself after they gave me a price of 655.79
i bought the board for 40.00 dollars and it took me 15 minuets im just tired of
being ripped off
Customer: replied 1 year ago.
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Expert:  Phil replied 1 year ago.
Hello again, The unit may be very low on refrigerant and cycling on its low pressure cut out switch. If you can send me a clear, well focused, close up photo of the wiring diagram glued to the inside of the units control box cover.. and a photo of the printed circuit card that shows where the thermostat wires connect I can help you by marking it up with trouble shooting instructions.Use the paper clip icon above to attach those. Tell me please if the outside unit runs in the winter for heatingas well as in the summer for cooling or not. .

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