Gree GWHD(36)NK3BO - Page 74

72
Installation and Maintenance
Service Manual
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Malfunction display: F3 Failure of Outdoor Ambient Sensor
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Malfunction display: F5 Failure of Exhaust Temp. Sensor
Failure of outdoor Ambient sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
Remove the sensor to check if the resistance value is ok
Replace mainboard of the outdoor uint
Replace temperature sensor
Check the direction of the plug
and socket
Failure of Exhaust Temp. sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
Remove the sensor to check if the resistance value is ok
Replace mainboard of the outdoor uint
Replace temperature sensor
Check the direction of the plug
and socket
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes