Midea MFJ-24ARN1-QB8 Technical & Service Manual page 25

Number Display code
1 E1 E2 E3 E4
2 E6
3 E8
4
P4
5
P5
6 P9
Problem
Temperature Sensor is off or short-circuit.
Outdoor unit protection
Electrostatic dust collection
The temperature of the evaporator of indoor
unit is too low or high (For the protection
feature, the compressor
automatically)
The temperature of condenser of the
outdoor unit is too high (For the protection
feature, the compressor
automatically)
Defrosting protection
controlling is off
23
Exploded view & spare-part
What to do
Contact service people
Contact service people
Contact service people
Turn off the unit, clean the air
filter, then restart the unit. If this
turns off operation does not work, please
contact service people.
Turn off the unit, check if there is
any obstacle in the air-inlet,
turns off
otherwise call the service people.
or warm-air The unit will auto restart after
finishing the defrosting or the
temperature
Exchanger of indoor unit raise.
of the Heat