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What could be the reason for the Kia K4 air conditioner not cooling?

1 Answers

LeKate

07/24/25 12:06pm

Introduction to the reasons why the Kia K4 air conditioner is not cooling: 1. Refrigerant leakage in the Kia K4 air conditioner. The symptoms are that both the indoor and outdoor units are working, the compressor is also working, but there is no effect. 2. Damage or poor performance of the Kia K4 air conditioner compressor capacitor, causing the compressor not to work. The phenomenon is similar to the above, but the compressor does not rotate and overheats. 3. The resistance value of the room temperature sensor changes, causing the Kia K4 air conditioner outdoor unit not to work. The phenomenon is the same as when the air conditioner stops after reaching the set temperature. 4. Poor remote control or poor air conditioner receiver. The symptoms are that the air conditioner does not respond when turned on, or sometimes works and sometimes does not. 5. Four-way valve (this fault does not occur in single-cooling machines) or high and low pressure air leakage in the compressor, the air conditioner works but has no effect. The symptoms are that both the indoor and outdoor units are working, the compressor is also working, but there is no effect. 6. Fault in the Kia K4 air conditioner indoor or outdoor control board causing the air conditioner not to cool. The symptoms are no response when turned on or erratic operation of the air conditioner. 7. Reversed live and neutral wires in the Kia K4 air conditioner power supply. A few air conditioners may have this fault, usually during installation. 8. Damage to the indoor or outdoor fan (the capacitor is often damaged). The symptom of a damaged outdoor fan is excessively high exhaust temperature or high pressure protection. The symptom of a damaged indoor fan is frosting of the indoor unit, continuous operation of the outdoor unit, and condensation on the indoor unit.

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