Midea air conditioner error codes
By model series
All codes
NAno malfuction or pretecionEH 0Indoor PCB/Display board communication errorEC 07The outdoor fan speed is operating outside of the normal range(EC 51Outdoor unit EEPROM parameter errorEC 52Condenser coil temperature sensor T3 is in open circuit or has short circuitedEC 53Outdoor room temperature sensor T4 is in open circuit or has short circuitedEC 54Compressor discharge temperature sensor TP is in open circuit or has short circuitedEC 56Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuitedEH 00Indoor unit EEPROM parameter errorEH 02Zero-crossing signal detection errorEH 03The indoor fan speed is operating outside of the normal rangeEH 0BEH 30Over low voltage protection of indoor external fanEH 31Over voltage protection of indoor external fanEH 60Indoor room temperature sensor T1 is in open circuit or has short circuitedEH 61Evaporator coil temperature sensor T2 is in open circuit or has short circuitedEL 01Indoor / outdoor unit communication errorEL 0CRefrigerant leak detectedLC 01Frequency limit caused by T3LC 02Frequency limit caused by TPLC 03Frequency limit caused by currentLC 05Frequency limit caused by voltageLC 06Frequency limit caused by PFCLH 00Frequency limit caused by T2LH 07Frequency limit caused by remote controllerPC 00IPM malfunction or IGBT over-strong current protectionPC 01PC 02Compressor top high temperature protection (OLP)PC 03Pressure protectionPC 04PC 06Compressor discharge temperature protectionPC 08Outdoor current protectionPC 0ACondenser high temperature protectionPC 0FPFC module malfunctionPC 0LOutdoor ambient tempreture too lowPC 10Over low voltage protectionPC 11Over voltage protectionPC 12DC voltage protectionPC 40Communication error between outdoor main chip and compressor driven chipPC 41Current Input detection protectionPC 42Compressor start errorPC 43Lack of phase (3 phase) protectionPC 44No speed protectionPC 45341PWM errorPC 46Compressor speed malfunctionPC 49Compressor over current protectionPH 09Anti-cold air in heating modePH 90Evaporator coil temperature over high protectionPH 91Evaporator coil temperature over low Protection