system code meaning; 00: normal: ua: indoor-outdoor unit combination fault: u0: refrigerant shortage: u2: drop voltage or main circuit overvoltage: u4: failure of transmission (between indoor unit and outdoor unit) fault Malfunction of AC input current sensor system Malfunction of suction air thermistor Malfunction of discharge air thermistor Malfunction of humidity sensor system Malfunction of switch box thermistor Malfunction of high pressure switch Malfunction of thermostat sensor in remote controller Protection devices activated (unified) Malfunction 1. Select the product group Split/Multi-Split Air Purifiers Others 2. Select a trouble Does not cool/warm Does not operate Does not operate immediately Operation stops Operation does not stop Abnormal sound during operation Abnormal sound during filter cleaning Abnormal sound In non-operation Odor Cleaning Remote controller A Comprehensive list of Daikin Error & Fault Codes for Malfunction. Simple Self Diagnosis & troubleshooting of Daikin VRV Systems, SkyAir, HRV, Chillers Vay Tiền Nhanh Chỉ Cần Cmnd.

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