Self-Testing Function - Haier HFD647AS Service Manual

SERVICE MANUAL
Model: HFD647AS/HB21TSSAA
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) thre e
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
TEST1 Keep pressing REF
TEMP, FRZ TEMP
and OK button three
(For keys for 3 seconds
testing the until it show T1 T1,
capability the products will
of enter compulsive
cooling) starting mode.
CONTENT
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
NOTE
Mode TEST1 continues until exit
manual
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