Midea MFA-76CRN1 Technical Manual page 89

R410A Tropical Split Type Technical Manual
11.4 P2 malfunction
LED indicate P2
Under cooling mode, T2 is on low
temperature protection
Judge 1: Check whether the evaporator temperature
sensor T2 is break off.
Judge 2: Whether the evaporator temperature sensor
is malfunction.
Validate: Check whether the resistance of the
temperature sensor is correct according to Annex 1.
Judge 3: Check whether the outdoor ambient
temperature is too low (less than 17℃)
Replace indoor PCB
Floor-standing Type
No
Yes
No
Yes
Connects it well.
No
Replace the temperature sensor
Yes
Stop the unit.
Troubleshooting
89