春兰空调故障代码汇总（Chunlan air conditioning fault code summary）.doc

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春兰空调故障代码汇总（Chunlan air conditioning fault code summary）.doc

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春兰空调故障代码汇总（Chunlan air conditioning fault code summary）

春兰空调故障代码汇总（Chunlan air conditioning fault code summary） Chunlan air conditioning fault code summary Chunlan KFR-40, 50, 70, 100, 140LW/BdS air-conditioning fault code E1 indoor and outdoor communication failure (voltage between GND and CMM is swinging around 6-7V) E2 compressor overcurrent E3 abnormal supply voltage E4 refrigeration system pressure is too high to protect, RT5 sensor abnormal E5 outdoor ring temperature is too low protection E6 supercooling protection (cooling state) RT2 exception E7, RTI, RT2, RT3 temperature sensors open E8, RTI, RT2, RT3 temperature sensors short circuit Chunlan KFR-32GW/BP Display content failure reason Green light flashing, indoor ring temperature abnormal, yellow light flashing outdoor machine fault Huang Lvhong simultaneously flashes FT to break the protection of green yellow red alternating flashing indoor and outdoor communication failure The outdoor machine yellow light indication fault reason is short one long, and frequency transformer communication fault two short long Outdoor frequency changer, circuit breaker, three short long converter, overload or module protection Four short and long undervoltage protection five long total overcurrent protection Six short long compressor overheating or overload protector disconnect ~! Chunlan KFR--120LW/BP Display code fault content E0 communications failed E1 open circuit for outdoor sensors. Short circuit E2 compressor overload E3 overcurrent E4 IPM protection E5 outdoor tube temperature is too high E6 exhaust temperature is too high E7 over voltage protection E8 indoor unit, sensor open circuit, short circuit New Chunlan 2005 fault code V series air conditioning E1 exhaust pipe temperature is too high E2 compressor overcurrent E3 power phase sequence error E4 system pressure is too high E5 system pressure is too low E6 anti freeze protection Chunlan KFR-40, 50, 70, 100, and 140LW/BdS fault codes Display content failure reason E1 indoor and outdoor communication failure (voltage b