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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a Ruud UDGD-05eauer furnace. Draft inducer and blower

Customer Question

I have a Ruud UDGD-05eauer furnace. Draft inducer and blower motor run nonstop. LED on control board flashes 3 times.
Submitted: 1 year ago.
Category: HVAC
Expert:  Daniel Plourde replied 1 year ago.

hi i am dan i can help you with this. you problem is one of the limit switches are open. the first ones i would suspect are the roll out switches they will be near the burners and be about 1/2" diameter with 2 wires coming off of them. can you locate thoses?

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