My ac guy has added freon, cleaned the outside coil, replaced the inside fan motor, and replaced thermostat. The outside fan will kick on, but the inside fan doesn't kick on. If I shut the unit OFF, then back ON at the thermostat sometimes it will kick the inside air on and it will be fine. But, once it shuts off at the correct temp, it starts all over again... outside fan kicks on but nothing blowing from inside vents.

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Originally Posted by cjobrian

my ac guy has added freon, cleaned the outside coil, replaced the inside fan motor, and replaced thermostat. The outside fan will kick on, but the inside fan doesn't kick on. If I shut the unit OFF, then back ON at the thermostat sometimes it will kick the inside air on and it will be fine. But, once it shuts off at the correct temp, it starts all over again...outside fan kicks on but nothing blowing from inside vents.

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Sounds like a problem with the blower motor relay not engaging to power up the motor, based upon what has already been done in attempt to correct problem. Check for 24v input to relay & line-voltage output to blower motor. Is this unit a Janitrol or Goodman by chance? They are notorious for faulty time-delay blower relays-I typically replace them with a standard blower relay for reliability's sake.

Get a new ac guy... parts changer haha if you call for ac and outside unit starts tehn your t stat is working check power to your blower should be 120v if so and you have a good common ground then motor is bad. If no 120 the look to your control board, and tighten all white leadsif outsuide unti runs when no call stuck contacter at condenser. Control boards suck , if you have a little rattle in the unit all the leads loosen causing sporadic behavior