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Midea Air Conditioner Error Codes
15 error codes for Midea air conditioner models. Each links to the full diagnostic procedure from the service manual.
CodeDescription
ASOpen or short circuit of ambient temperature sensor (T1).CSOpen or short circuit of condenser temperature sensor (T3).E4Communication malfunction between main control board and display board (no…EdEvaporator de-frosting defectEnEvaporator temperature sensor open circuit or short circuit failure.EoCondenser temperature sensor open circuit or short circuit failure.ErRoom temperature sensor open circuit or short circuit failure.ESOpen or short circuit of evaporator temperature sensor (T2).FCFront desk control modeHIRoom temperature is higher than 99°F (above display range).HSOpen or short circuit of exhaust temperature sensor (T5 or T6).LCControl panel pads are not available; unit can only be set by wired controllerLEDrive-by-wire (wired controller) control failureLORoom temperature is lower than 32°F (below display range).OSOpen or short circuit of outside temperature sensor (T4).MyPros+ Max
Get the full diagnostic procedure for any Midea air conditioner error code.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts
- Verified part numbers when replacement is required
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