Some malfunctions of air conditioners can be eliminated on your own without using expensive services of service companies. The instruction on how to detect the cause of the problem is given in the table below.
|PROBLEM||CHECK||ACTION TO TAKE||FAULT CODE|
|No Heat or Cooling||1. Thermostat for proper settings.||Set thermostat to proper setting.||-|
|2. Circuit breakers and fuses.||Reset circuit breakers - Replace blown fuses.||-|
|3. Check outdoor unit for dirty coil (Cooling).||Clean coil, see “COIL CARE” section.||2|
|4. Indoor unit for dirty filter (Heating).||Clean or replace, see “FILTER CARE” section.||2|
|Wet on Floor or in Furnace||Condensate drain and “P” trap||Remove blockage, usually mold or fungus.||-|