Midea MCH2U-18PHH2

88
8.4.2.12 P5 (High temperature protection of condenser) diagnosis and solution.
Error Code
P5
Malfunction conditions
When outdoor pipe temperature is more than 65°C, the unit will
stop, and unit runs again when outdoor pipe temperature is less
than 52°C
Potential causes
● Faulty condenser temperature sensor
● Heat exchanger dirty
● System block
Trouble shooting: