HB21FG* 
24
Issue  2010-12 
Rev.  
Ref1012S008V0
 
 
(L) will be off and the locked status is exited.   
 
Caution: In locked status, the functional controls of refrigerating temperature, freezing temperature, 
Holiday, Fuzzy, Super Cooling and Super Freezing are not available. 
4-7. Freezing temperature setting 
In the unlocked status, press Freezing Temperature Control Button (C), the original freezing 
chamber setting temperature start to blink. Enter freezing chamber temperature setting status, 
since then for each single press of this button, the freezing chamber setting temperature is 
displayed in cyclic form by -14℃, -15℃, -16℃, -17℃, -18℃, -19℃, -20℃, -21℃, -22℃, if no 
button-pressing operation is initialed over 5 seconds, the blinking will stop and confirm the current 
temperature setting value. 
4-8. Fridge temperature setting 
In the unlocked status, press Fridge Temperature Control Button (D), the original freezing 
chamber setting temperature start to blink. Enter fridge chamber temperature setting status, since 
then for each single press of this button, the fridge chamber setting temperature is displayed in 
cyclic form by 09℃, 08℃, 07℃, 06℃, 05℃, 04℃, 03℃, 02℃, 01℃, if no button-pressing 
operation is initialed over 5 seconds, the blinking will stop and confirm the current temperature 
setting value. 
4-9. Open-door alarm function 
When any door is left open for more than 60 seconds or not closed tightly, the refrigerator will sound 
alarm buzzer at an interval 30 seconds to remind user to close the door. 
4-10. Energy-saving display control function 
30 seconds after button-pressing operation, display screen backlight and button light will be off 
automatically, this is in order to save power consumption. When pressing any key or opening any 
door, it will resume display screen backlight. The corresponding press-button light will activate from 
button-pressing operation