Haier HB21FWRSS Service Manual page 17

CONTROL AND DISPLAY SYSTEM
3. Deepfreeze fridge temperature adjustment
(Only apply for the models with the function of taking out cold drinks)
F
(Only apply for the models without the function of taking out cold drinks)
Press Button G or Button H, the deepfreeze fridge temperature vision area H will flicker,
and when the deepfreeze fridge temperature is set, the range of the deepfreeze fridge
temperature is -7 degrees to 8 degrees, and each time you press Button G, the
deepfreeze fridge temperature will increase a level, till the highest Level Seven is reached;
each time you press Button F, the deepfreeze fridge temperature will decrease a level,
till the lowest Level One is reached.
When pressing Button A and Button B at the same time for three seconds, the time sign D
will begin to flicker after the first sound of the buzzer. Press Button A to adjust the hours,
each time you press Button A, one hour will be increased, till 23 hours is reached, then press
Button A again, 00 will be shown. Press Button B to adjust the minutes, each time you press
Button B , one minute will be increased, till 23 minutes is reached, then press Button B again,
00 will be shown.
F G H
G H
D A
`
C
B