Midea MSV1-12HRFN1-MT0W - Indoor Unit Error Display

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10.1 Indoor Unit Error Display
Error code
Description
E0
Indoor unit EEPROM parameter error
E1
Indoor / outdoor units communication protection
E2
Zero-crossing signal error(except MSV1-09HRFN1-MT0W and
MSV1-12HRFN1- MT0W models)
E3
Indoor unit fan speed has been out of control(only for MSV1-09HRFN1-MT0W,
MSV1-12HRFN1- MT0W, MSV1-12HRDN1-MQ0W models)
E5
Open circuit or short circuit of outdoor unit temperature sensor/ outdoor unit
EEPROM parameter error
E6
Open circuit or short circuit of room or evaporator temperature sensor
E7
Outdoor unit fan speed has been out of control(only for MSV1-09HRFN1-MT0W
and MSV1-12HRFN1- MT0W models)
P0
IPM malfunction or IGBT over-strong current protection
P1
Over voltage or too low voltage protection
P2
Temperature protection of compressor top.
P3
Outdoor temperature is lower than -15°C(5℉) （optional function）
P4
Inverter compressor drive error
Note
P3: If the outdoor temperature <= -15 °C(5℉) for 1 hour, then the machine stops running, the indoor
display shows the error code "P3“. The unit can still receive remote control signals.
If the outdoor >= -12 °C(10℉) for 10 minutes, the compressor stops running more than one hour,
Or the outdoor temperature>= 5 ℃(41℉) for 10 minutes, then AC will recover to the last mode and fan
speed.
E4 : Reserved function.