Control Principle And Display System; Control And Display Panel; Function Adjustment And Work Principle - Haier HRF-663ISB2 Service Manual

SERVICE MANUAL
Model: HRF-663ISB2
Chapter 5 Control principle and display system
5-1. Control panel
1. Keys and Display panel
The screen becomes dark automatically 30 minutes after key operation. Press any key or open any
door to restore the display.
A. Intelligent mode key
B. Super frost key
C. Freezer temperature adjustment key
D. Refrigerator temperature adjustment key
5-2. Function adjustment and working principle
1. Initial State
1.1 For initial power-on, the temperature setting for refrigerator compartment and freezer compartment is
preset at fuzzy mode; fast freeze is not selected.
1.2 For initial power-on, if the temperature of refrigerator compartment falls within the range of
temperature corresponding to starts and stops of compressor, the compressor won't start until the
temperature rises to the starting point; if the temperature of freezer compartment is higher than the
shutdown point, the compressor is started.
1.3 After the first power-on, the previous state will be displayed when the unit is powered on again.
2. Temperature setting of freezer compartment / refrigerator compartment
FUZZY Quick. FRZ FRZ. Temp REF. Temp
E. Intelligent mode indicator
F. Super frost indicator
G. Freezer temperature display
H. Refrigerator temperature display
Issue 2010-01
Ref1001S015V0
Rev.
14