Can You Troubleshoot These Common HVAC Problems Like a Pro?Share:FacebookPinterestTwitterMailA mini-split indoor unit shows an error code for temperature sensor fault. What should be done?96%Next Correct Incorrect Faulty or misread sensors affect indoor unit control logic. A mini-split indoor unit shows an error code for temperature sensor fault. What should be done? Add refrigerant Replace sensor or check wiring Restart outdoor unit Flush condensate line 96%