SERVICE MANUAL
Model:
HFD647AS/HB21T
SSAA
22
5-5 Self-testing Function of
HB21TSSAA
& HFD647A* Refrigerastor
(1) Hold the REF TEMP setting button (C) ,FRZ TEMP setting button (A) and OK button (D) three
keys for 3 seconds, until it show T1 T1 with a buzzer, the products will enter compulsive starting
mode.
(2) The same operation like step (1) under mode TEST1 until it show T2 T2, then the product will
enter compulsive defrosting mode
(3) The same operation like step (1) under mode TEST2 until it show T3 T3, then the product
will enter inspection mode of mullion heater and beam heater .
(4) Under TEST3 mode, keep pressing the REF TEMP setting button (C) ,FRZ TEMP setting
button (A) and OK button (D) three keys for 3 seconds, the refrigerator will quit TEST mode and
back to normal.
MODE
OPERATION
CONTENT
NOTE
TEST1
(For
testing the
capability
of
cooling)
Keep pressing REF
TEMP, FRZ TEMP
and OK button three
keys for 3 seconds
until it show T1 T1,
the products will
enter compulsive
starting mode.
1) compressor start working
2) freezer fan motor start
working
3) cooling fan motor start
working
4) defrost heater closed
5) air damper open 90
°
6) show T1/T1 at
refrigerator/freezer setting of
display board
Mode TEST1 continues until exit
manual
