Indoor Unit Error Display - Midea MSV1-12HRDN1-MQ0W Service Manual

10.1 Indoor Unit Error Display

Error code Description
E0 Indoor unit EEPROM parameter error
E1 Indoor / outdoor units communication protection
Zero-crossing signal error(except MSV1-09HRFN1-MT0W and
E2
MSV1-12HRFN1- MT0W models)
Indoor unit fan speed has been out of control(only for MSV1-09HRFN1-MT0W,
E3
MSV1-12HRFN1- MT0W, MSV1-12HRDN1-MQ0W models)
Open circuit or short circuit of outdoor unit temperature sensor/ outdoor unit
E5
EEPROM parameter error
E6 Open circuit or short circuit of room or evaporator temperature sensor
Outdoor unit fan speed has been out of control(only for MSV1-09HRFN1-MT0W
E7
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
P4 Inverter compressor drive error
Note
P3: If the outdoor temperature <= -15
display shows the error code "P3". The unit can still receive remote control signals.
If the outdoor >= -12
Or the outdoor temperature>= 5
speed.
E4 : Reserved function.
°C(5℉)
°C(10℉) for 10 minutes, the compressor stops running more than one hour,
℃(41℉)
-15°C(5℉)
for 1 hour, then the machine stops running, the indoor
for 10 minutes, then AC will recover to the last mode and fan
47
（optional function）