Anti-High Temperature And Overload Malfunction - Gree GWHD14NK3BO Service Manual

Troubleshooting

(4) Anti-high temperature and overload malfunction

Main checking points:
If the outdoor ambient temperature is within the normal range;
If the outdoor fan is running normally;
If the indoor and outdoor radiation environment is good;
Flow chart:
If the outdoor ambient temperature
is above 53
If the indoor and outdoor radiation
If the outdoor fan is working normally
66
Start
no
yes
is insufficient
no
no
yes
Replace outdoor
mainboard
End
It is a normal protection, please
yes
operate the unit after the outdoor
ambient temperature has changed
Improve the radiation
environment of the unit
Check if the terminal of the fan is
connected well, if the fan is broken
Replace fan capacitor
Replace outdoor fan