Have a honeywell system, 8 yrs old... outside compressor running... cold duct at furnace... inside fan or blower doent come on

have a honeywell system, 8 yrs old... outside compressor running... cold duct at furnace... inside fan or blower doent come on

Could be Fan relay,fan motor,fan capacitor. Have you tried to switch the thermostat to ON instead of auto? Time to break out the test tools and check the complete fan electrical circuit.