Midea MCH3U-27PHH2 User Manual

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8.4.2.9 P2 (Low pressure protection) diagnosis and solution.
Error Code
P2
Malfunction conditions
If the sampling voltage is not 5V, the LED will display the
failure.
Potential causes
● Wiring mistake
● Faulty over load protector
● System block
● Faulty outdoor PCB
Trouble shooting:

Midea MCH3U-27PHH2 Specifications

General

Brand	Midea
Model	MCH3U-27PHH2
Category	Air Conditioner
Language	English