180
[122] radiator temp.sensor of transducer abnormal
yes
no
no
yes
replace sensor
check if connection between
temp.sensor and inverter board
adjust connection
measure if temp.sensor
resistor is normal
replace inverter control board
[125] compressor frequency not match well
yes
no
check if power module is normal
replace power module
solve the failures due to
relative information
[127] MCU reset abnormal
in running course, outdoor is restarted
up after being shut off in a short time.
Confirm if outdoor power cable is fixed
well
[127] MCU program need be updated
Confirm the version of PCB, and update the program to the latest.