A7t12f2a air conditioner fedders when putting on cool mode fan only works on low is that okay or do i have problems

if it turns freely by hand replace capacitor.

try replacing capacitor.

fedders site or online search

Switch off, press reset and switch back on. Keep reset pressed for 10 secs. Check the bit behind the filter is also clean and check the drain isn't clogged.

unfortunately, typically this means low freon charge. Need to have a tech charge the system.

check for dirty filter and or obstructions in fan housing

arzolaair.com

You need to check if the heat strip is still good on it or that it is receiving power. If its getting power, then the strip is bad.

You may have thermostat problems. If the blower and compresssor kicks on, that indicates their ok. If you have a two wire thermostat, you can tie those wires together to see if the unit will operate. BE SURE TO DISCONNECT POWER.

could be problem with either switch of fan. try continuity across both legs of the switch then try continuity across the fan windings.