Midea air conditioner error codes

Midea air conditioner error code R series

Display MALFUNCTION
E0EEPROM parameter error
E1 Indoor / outdoor units communication protection
E2Zero-crossing signal error
E3Fan speed out of control
E5 Open or short circuit of outdoor temperature sensor
E6 Open or short circuit of room or evaporator temperature sensor
P0 IGBT over-strong current protection
P1 Over voltage or too under voltage protection
P2 Temperature protection of compressor top.
P4 Inverter compressor drive error

Midea air conditioner error code 9V series

NO. MALFUNCTIONDEF TIMERAUTO RUNDISPLAY
DIGITAL TUBE
1EEPROM error ooooE0
2Indoor / outdoor units communication protection ****E1
3Zero-crossing signal error oo**E2
4Indoor fan speed out of control oo**E3
5Outdoor unit temp. sensor or connector of temp. sensor is
defective
xox*E5
6Open or short circuit of room or evaporator temperature
ooo*E6
7Outdoor fan speed out of control oo**E7
8IBM malfunction or IGBT over-strong current protection xxo*P0
9Over voltage or too under voltage protection xoo*P1
10Temperature protection of compressor top. oxx*P2
11Compressor position protection ox**P4
12Inverter module protection xo**P5

*  Flash (at 0.5Hz, P5 at 0.25Hz)   o  light     x (off)

Midea air conditioner error code 9A series

NO. MALFUNCTIONDEF TIMERAUTO RUNDISPLAY
DIGITAL TUBE
1EEPROM error ooooE0
2Indoor / outdoor units communication protection ****E1
3Zero-crossing signal error oo**E2
4Indoor fan speed out of control oo**E3
5Outdoor unit temp. sensor or connector of temp. sensor is
defective
xox*E5
6Open or short circuit of room or evaporator temperature
ooo*E6
7Outdoor fan speed out of control *o**E7
8IBM malfunction or IGBT over-strong current protection xxo*P0
9Over voltage or too under voltage protection xoo*P1
10Temperature protection of compressor top. oxx*P2
11Compressor position protection ox**P4
12Inverter module protection xo**P5

*  Flash (at 0.5Hz, P5 at 0.25Hz)   o  light     x (off)

Midea air conditioner error code Cassette/Ceiling&Floor series:

OperationTimerDe-frost AlarmLED STATUS
*xxxIndoor room temp. sensor open or short-circuit
xx*xIndoor pipe temp. sensor open or short-circuit
x*xxIndoor and outdoor communication error
xxx*Water level alarm
**xxEEPROM error
*xxoInverter module protection
*oxxOutdoor sensor open or short circuit
*oxoOutdoor voltage protection
*xoxCompressor top temp. protection
*xooMode conflict
*x**Outdoor current protection

* flash, o light, x extinguished

Midea AC Outdoor Units error code (except M5OA-36HRDN1-Q model)

Display LED STATUS
E0 EEPROM error
E1 No A Indoor unit coil outlet temp. sensor or connector of sensor is defective
E2 No B Indoor unit coil outlet temp. sensor or connector of sensor is defective
E3No C Indoor unit coil outlet temp. sensor or connector of sensor is defective
E6 No D Indoor unit coil outlet temp. sensor or connector of sensor is defective
E4 Outdoor unit temp. sensor or connector of temp. sensor is defective
E5 Compressor voltage protection
E7 Communication malfunction between outdoor main chip and compressor control chip
P0 Temperature protection of compressor discharge or compressor top.
For M4OC-36HRDN1-Q,it only means compressor discharge temp.protection.
P1 High pressure protection(only for M4OC1-27HRDN1-Q, M4OC-36HRDN1-Q)
P2 Low pressure protection(only for M4OC1-27HRDN1-Q, M4OC-36HRDN1-Q)
P3 Compressor current protection
P4 Inverter module protection
P6 Condenser high-temperature protection

Midea AC Outdoor Units error code For M5OA-36HRDN1-Q model

Display LED STATUS
E0 EEPROM error
E1 No A Indoor unit coil outlet temp. sensor or connector of sensor is defective
E2 Communication malfunction between outdoor unit and indoor units
E3Communication malfunction between outdoor main chip and compressor control chip
E4Outdoor unit temp. sensor or connector of temp. sensor is defective
E5Compressor voltage protection
E6PFC module protection
P0 Compressor top. temperature protection
P1 High pressure protection
P2 Low pressure protection
P3 Compressor current protection
P4 Compressor discharge high-temperature protection
P5 Condenser high-temperature protection
P6Inverter module protection
F1 No A Indoor unit coil outlet temp. sensor or connector of sensor is defective
F2No B Indoor unit coil outlet temp. sensor or connector of sensor is defective
F3No C Indoor unit coil outlet temp. sensor or connector of sensor is defective
F4No D Indoor unit coil outlet temp. sensor or connector of sensor is defective
F5 No E Indoor unit coil outlet temp. sensor or connector of sensor is defective