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Technical Information
Replace outdoor fan
NO
It is a normal protection, please
operate the unit after the outdoor
ambient temperature has changed
YES
If the indoor and outdoor
radiation is insufficient
If the outdoor ambient
temperature is above
127.4 F
End
If the outdoor fan is
working normally
Replace the outdoor
mainboard
9. Anti-high temperatureand overload malfunction
Main checking points:
• If the outdoor ambient temperature is within the normal range;
• If the indoor fan and outdoor fan are running normally;
• If the indoor and outdoor radiation environment is good;
Flow chart:
Improve the radiation
environment of the unit
YES
Check if the terminal of the fan is
connected well, if the fan is broken
Replace fan capacitor
YES
NO
NO
Start