Midea MTA-76CRN1 - Page 89

MCAC-UTSM-2012-12 R410A 50Hz Tropical Split AC
89
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.
Connects it well.
Yes
No
Judge 2: Whether the evaporator temperature sensor
is malfunction.
Validate: Check whether the resistance of the
temperature sensor is correct according to Annex 1.
Replace the temperature sensor
No
Yes
Judge 3: Check whether the outdoor ambient
temperature is too low (less than 17℃)
Stop the unit.
Yes
No
Replace indoor PCB