Midea MC-SU60-RN1L Operation Manual page 40

NO. Code
System high-pressure protection or discharge
temperature protection
21 P0
System low pressure protection
22 P1
Tz/7 Coil final outlet temperature too high
23 P2
T4 ambient temperature too high in cooling mode
24 P3
System A current protection
25 P4
System B current protection
26 P5
Inverter module failure
27 P6
High temperature protection of system condenser
28 P7
Water inlet and outlet temperature difference protection
30 P9
Water inlet and outlet temperature difference anomaly protection
31 PA
Antifreeze protection in winter
32 Pb
Evaporator pressure too low in cooling
33 PC
Cooling evaporator low temperature antifreeze protection
35 PE
T4 ambient temperature too high in heatling mode
37 PH
Content
36
Note
Occurs 3 times in 60 minutes and
the error can be recovered by
turning off the power supply only
Occurs 3 times in 60 minutes and
the error can be recovered by
turning off the power supply only
Recovered upon error recovery
Recovered upon error recovery
Occurs 3 times in 60 minutes and
the error can be recovered by
turning off the power supply only
Occurs 3 times in 60 minutes and
the error can be recovered by
turning off the power supply only
Recovered upon error recovery
Occurs 3 times in 60 minutes and
the error can be recovered by
turning off the power supply only
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery
Recovered upon error recovery