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York furnace 3 red lights and cutting out

tinto99

By tinto99
in DIY Appliance Repair Help

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tinto99

tinto99

Posted
Posted

Hello, pressure switch seems to open while inducer is running. Heat shuts off. I get 3 red blinks. All hoses look clean. I feel air venting outside. Water condensate seems good. Any ideas?

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tinto99

tinto99

Posted
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Oops Model # PS9C16N080UP11A. Thanks

tinto99

tinto99

Posted
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Anybody know what might be wrong? Inducer comes on, pressure switch closes, furnace ignites. Then the pressure switch opens after a few minutes operation stopping heating but inducer still running. Is the switch glitchy?

Bullstok Sōhei

Bullstok

Posted
Posted

u need to put a manometer in the line to see what the actual pressure is, then compare to the switch rating. without a pressure number at the point it cuts out, you are just guessing.

  • 4 months later...
tinto99

tinto99

Posted
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Update, swapped pressure switch, still fails.

Looks like I have an inducer problem. I removed the motor assy, and the spin seems to be eccentric so the impeller hits the housing and even punctured it, as well as visible damage to blades.

Can you please let me know what the part number / source for this part is? Thanks.

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