Carrier 38CKC060 Air Conditioner "comfort zone heater shut" Questions

...comfort zones" instead of individual degrees on temperature control dial. I am not sure how to control the temperature. Is temprature limited to these zones or do I still have unlimited ...

...Comfort Zone 2 flashing E2 My carrier comfort zone 2 thermostat keeps flashing E2 and is not cooling my house properly. Does anyone have any idea what this warning light means and how I can fix this ...