Midea M2OE-14HFN1-Q Service Manual page 33

DM16-01.01.11-01en Service manual
10.5.9 Low outdoor ambient temperature protection
When compressor is off, T4 is be lower than -35 ℃ .for 10s, the AC will stop and display "LP".
When compressor is on, T4 is be lower than -40 ℃ .for 10s, the AC will stop and display "LP".
When T4 is no lower than -32 ℃ .for 10s, the unit will exit protection.
Multi DC inverter R410A. Outdoor unit 33