Split Air Conditioner and Residential Air Conditioners Vivax Air Conditioner Error Codes Error Codes Meaning C5 Malfunction of connector jumper: Check if the connector jumper contacts properly. If the PCB is to be replaced, please take off the old for the new PCB. F1 Malfunction of indoor ambient temperature sensor :Check if indoor room temperature sensor is connected properly. F2 Malfunction of evaporator temperature sensor :Check if the evaporator temperature is connected properly. H6 Indoor fan block:Check if the terminal of the indoor motor is connected properly./Replace the fan motor or the indoor board if disabled. H1 Defrosting: It is normal. Buttons on the cover is unavailable or insensitive: Please check whether the cover is closed completely Moisture on air outlet : If the unit operates at high humidity for a long time, moisture will be generated on the air outlet grill and then drip off. Noise from indoor unit: The noise emitted when the fan or compre...