Haier HFD647AS - Ice Maker Inspection Mode Operation

SERVICE MANUAL
Model: HFD647AS/HB21TSSAA
23
TEST2
(For
testing the
defrost
system)
Under mode TEST1,
Keep pressing REF
TEMP, FRZ TEMP
and OK button three
keys for 3 seconds
until it show T2 T2,
then the product will
enter compulsive
defrosting mode
1) compressor shutdown
2) freezer/cooling fan motor
shutdown
3) defrost heater start working
4) mullion heater shutdown
5) air damper and its heater
shutdown
6) freezer/refrigerator setting
display T2/T2 at display
board
When temperature around defrost
sensor above 7 degree, appliance
will exit <Force defrost MODEL>
after heater working 1 minute!
When temperature around defrost
sensor below 7 degree, heater will
work continually until reach 7
degree, appliance then exit
TEST3
(For
testing
assist
heaters)
Under mode TEST2,
Keep pressing REF
TEMP, FRZ TEMP
and OK button three
keys for 3 seconds
until it show T3 T3,
then the product
will enter inspection
mode of mullion
heater and beam
heater .
1) compressor shutdown
2) freezer/cooling fan motor
shutdown
3) defrost heater shutdown
4) Mullion heater and beam
heater start working
5) air damper heater start
working
6) freezer/refrigerator setting
display T3/T3 at display
board
Heaters of air damper and
refrigerator mullion heater is under
working. exit the inspection
program after 30 minutes and back
to normal
BACK TO
NORMAL
Under TEST3 mode,
keep pressing REF
TEMP, FRZ TEMP
and OK button three
keys for 3 seconds,
the refrigerator will
quit TEST mode and
back to normal
Function back to normal (compressor start to work 7 minutes later)
5-6 Ice-maker Inspection Mode
Under Unlock state, press both Function setting button (B) and OK button (D) for 3 seconds until
hear one sound of buzzer, products enter ice-maker inspection mode. In this mode, Ice-maker will
forced turnover once, then inhale water according pre-setting water volume.