Midea Mini Split Error Codes
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Featured codes
- EC51 — EC51 means an outdoor EEPROM malfunction on Midea Advantage multi-zone (D5CMRA) syste
- EC53 — EC53 means the outdoor ambient-air temperature sensor (T4) reading is not believable
- EC54 — EC54 means the compressor discharge temperature sensor (TP) circuit is open, shorted,
- EC07 — EC07 means the outdoor unit's DC brushless fan is operating outside the expected spee
- EC52 — EC52 means the outdoor condenser coil temperature sensor (T3) is in open circuit or o
- EC56 — EC56 means the indoor evaporator coil outlet temperature sensor (T2B) is in open circ
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Safe checks with an external tool or supply
These pages list the check you can do from outside the unit, with an optional external tool or maintenance supply. None of them repair an internal fault.
- EC51 — EC51 means an outdoor EEPROM malfunction on Midea Advantage multi-zone (D5CMRA) systems - the outdoor control …
Related troubleshooting guides
Manufacturer manuals
- Senville (Midea-platform) official support: Error Code EC 07 - Outdoor Fan Speed Out of Control
- Midea-platform service manual PDF (section 15.4.1 EEPROM parameter error diagnosis)
- Mr.Cool official support: Troubleshooting an F3/EC54 Error Code (discharge temperature sensor)
- Senville (Midea-platform) official support: Error Code EC 54 - Compressor Discharge Temperature Sensor (TP) Error, 0.06-4.94 V sampling rule
- Mr.Cool official support: Troubleshooting EC56 Error Code on MrCool Multi-Zone Units (Outdoor Coil Outlet Temperature Sensor T2B)
E codes
- Midea EC07 error code
EC07 on Midea mini splits means outdoor fan speed out of control - the outdoor unit is not seeing DC fan-motor speed feedback inside the range it expe… - Midea EC51 error code
EC51 means an outdoor EEPROM malfunction on Midea Advantage multi-zone (D5CMRA) systems - the outdoor control board is not getting valid feedback from… - Midea EC52 error code
EC52 means the outdoor condenser coil temperature sensor (T3) is in open circuit or outside its valid electrical range on Midea Advantage multi-zone s… - Midea EC53 error code
EC53 means the outdoor ambient-air temperature sensor (T4) reading is not believable - open circuit, short circuit, or out of the valid electrical ran… - Midea EC54 error code
EC54 on Midea mini splits means compressor discharge temperature sensor (TP) error - the sensor's voltage reading is outside the valid range, so the s… - Midea EC56 error code
EC56 on Midea mini splits means the indoor coil outlet temperature sensor (T2B) circuit is open or shorted, so the board cannot judge evaporator coil … - Midea EL01 error code
EL01 on Midea units means an indoor unit and the outdoor unit are not exchanging control signals reliably. Power-cycle once at the breaker; if EL01 re… - Midea EL16 error code
EL16 on Midea mini splits means a communication malfunction between the adapter board and the outdoor main control board - the adapter PCB cannot dete…