York Package Units: DNH/DNQ/DNP Re: Lockout Codes While in lockout, the control board keeps the pilot gas valve, main gas valve and induced draft motor de-energized. Lockouts due to failed ignition or flame losses may be reset by removing the call for heat (W1) for more than 1 second, but...

Package Unit: D2NP Re: Code 2 CODE 2 = Pressure switch "Open" with the inducer motor energized. Qty Possible Causes: 1 Bad Inducer Motor Bad Pressure Switch 1 Clogged Pressure Port Item Stuck in Inducer Wheel Bad Ignition Control Board ...