Article ID: 145
Last updated: 15 Jun, 2020
York Gas Furnace Re: Flashing Code 2 (Assuming original control board) Code 2 = Pressure switch stuck closed The furnace pressure switch should only close when the inducer fan output is energized. If control board is not energizing the inducer fan output and the switch is closed, the board will flash a code 2. ► A Code 2 will typically keep the inducer motor from starting and the gas furnace from operating.
CHECKOUT: 1. Check Controller
2. Check Pressure Switch Contacts
3. ADPS Switch Setting
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Article ID: 145
Last updated: 15 Jun, 2020
Revision: 11
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Views: 760
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