H1 or H2 Error CodesUpdated an hour ago

H1 Error Code: Outdoor Unit High-Pressure Switch Error

The high-pressure switch is installed on the discharge pipe. When the pressure on the high-pressure side of the system exceeds the preset protection value, the protection activates and the system displays error code "H1."

H2 Error Code: Outdoor Unit Low-Pressure Switch Error

The low-pressure switch is installed on the suction pipe. When the pressure on the low-pressure side of the system falls below the preset protection value, the protection activates and the system displays error code "H2."