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Let me see if I have a manual on the unit.Is air just room temp or slightly warm?
Looking for a manual. I am wondering if perhaps a stuck sequencer.
Can you verify model is typed correctly NFCP3600C2
OK, Got it. Now if there is a heat kit, Can you give me that model,Something like AMFK1oCF or similar?
OK sounds good. Usually blower is energized through thermostat on Cool and Fan on mode, but through sequencer in heat mode.
Can you take a look in air handler and see if the wires from one of these relays also goes to fan?
Sounds good,Hopefully will solve problem