Gree GWC12NC-K3NNA3E Service Manual page 21

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Function and Control
"F1" will be displayed upon malfunction of room temperature sensor, "F2" upon malfunction of indoor unit tube temperature sensor and
"C5" upon malfunction of jumper cap.
For some models, if set temperature display is set by the remote controller, current set temperature will be displayed. After that, when
switching to room temperature display from set temperature or outdoor temperature by the remote controller, room temperature will be
displayed for 5 seconds firstly and then set temperature display returns
3.10 Locked protection to PG motor
If the indoor fan motor keeps low rotation speed for a continuous period of time after startup, the unit will stop operation and display "H6".
3.11 Memory Function
Memorized items: mode, up & down swing, light, set temperature and set fan speed.
When power is recovered after power failure, the unit will automatically start operation according to memorized status. After power
recovery, the unit without timer setting before power failure will operate according to the last setting; the unit with general timer setting
which has not been fulfilled before power failure will memorize the timer setting and re-calculate the time afte .
(Optional)
4 Special Functions
4.1 HEALTH Function
During operation of the indoor unit fan, press HEALTH button on the remote controller to start health function (If there is not HEALTH
button on the remote controller, the unit defaults health function ON).
4.2 I FEEL Function
When I FEEL command is received, the controller will operate according to the ambient temperature sent by the remote controller (For
defrosting and cold blow prevention, the unit operates according to the ambient temperature sensed by the air conditioner). The remote
controller will regularly send ambient temperature data to the controller. When the data has not been received for a long time, the unit
will operate according to the temperature sensed by the air conditioner. If I FEEL function is not selected, the ambient temperature will
be that sensed by the air conditioner. I FEEL function is not to be memorized.
18

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