How to Reset a Carrier Air Conditioner. 1.-Locate the “Reset” button on the control panel of the air conditioner. 2.-Hold the “Reset” button for 3 seconds and then release. 3.-Press and hold the “Reset” button for another 3 seconds – this time there should be a light flash on the display. 4.-Wait a few moments while the unit resets. The wide range of Kelvinator air conditioners all provide a balance of functional design and practical innovation. They are easy to keep clean, simple to use and sensitive to the environment, your family and your energy bill. We are here to make life easier and more enjoyable for you. Indoor unit: Code: 2 Condensate Pump Failure or water drain Failure. Code: 3 Indoor unit Room Air sensor fault. Code: 4 Indoor unit Tc Coil sensor fault. Code: 10 Indoor unit software fault (EEPROM Corrupt) Code: 12 Indoor unit software fault (Address/Zone Corrupt) Code: 14 Loss of Signal From CDU. How do I turn on my Condura aircon? Press the clock button located on the right side of the RC’s front panel. Make sure that the “Timer ON” is showing on the LCD screen. Afterward, press the temp UP or Down arrow key to set the time. For example, if you want to turn on your aircon after 6 hours. What is E3 in Carrier AC? CODE: E3. loop through text files in folder vba. hfma app. topsail beach condo rentals.