Gree GFH(09)EA-K3DNA1A/I Service Manual page 76

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Check if the plug of the temperature sensor is
correctly connected with socket on the mainboard
Remove the sensor to check if the resistance
74
Failure of condenser Temp.
sensor
Y
Y
value is ok
Y
Replace mainboard of the
indoor uint
N
Check the direction of
the plug and socket
N
Replace temperature sensor