Gree GWH18MC-K3DNA2G Service Manual page 56

Service Manual
(2) Malfunction of Temperature Sensor (F3/F4/F5)
Main check point:
Whether the temperature sensor is damaged?
Whether the terminal of temperature sensor is loose or not connected?
Whether the main board is damaged?
Check flow chart:
Installation and Maintenance
Start the troubleshooting for
temperature sensor
Check the connection between
temperature sensor and wiring
terminal is loose or in poor connection
No
Check whether the temperature sensor
is normal according to the Resistance
Value Table for Temperature Sensor?
Yes
Replace the controller
End
Yes
Insert the temperature
sensor well
No
Is malfunction eliminated?
Replace the
No
temperature sensor
No
Is malfunction eliminated?
Yes
Yes
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