Haier HB21FC45N Series - Diagnostic Test Mode Functions

SERVICE MANUAL
Model: HB21FC45N*
26
Issue 2010-07-05
Rev. Ref1007S019V0
5-6.TEST mode functions
1. The products will enter compulsive starting mode if keep pressing both “F”,”G” and “M” 3 seconds until
it will show T1T1.
2. The same operation like step ① under mode TEST1 until it show T2T2,so the products will enter
forcing defrosting mode
3. The same operation like step ① under mode TEST2 until it show T3,so the products will enter
inspection mode of refrigerator vertical mullion heater
4. The products will quit TEST mode if keep pressing both “F” “G” and “M” 3 seconds and back to
normal
MODE OPERATION
CONTENT NOTE
TEST1
STEP ① AS
ABOVE
1)Compressor start working
2)Evaporator fan motor start working
3)Condenser fan motor start working
4)Defrost heater closed
5)Air damper open 90°
6)Show T1/T1 at display board
Mode TEST1 continues
until exit manual
TEST2
STEP ② AS
ABOVE
1)Compressor shutdown
2)Evaporator /condenser fan motor shutdown
3)Defrost heater start working
4)Air damper and its heater shutdown
5)Refrigerator vertical mullion heater shutdown
6)Freezer/refrigerator setting display
T2/T2 at display board
Quit the mode
automatically after finish
defrosting
TEST3
STEP ③ AS
ABOVE
1)Compressor shutdown
2)Evaporator/condenser fan motor shutdown
3）Defrost heater shutdown
4）Refrigerator vertical mullion heater and air
damper heater start to work
5）Freezer/refrigerator setting display T3/T3 at
display board
Refrigerator vertical
mullion heater and air
damper heater start to
work .Quit the mode after
30 minutes and back to
normal
BACK TO
NORMAL
STEP ④ AS
ABOVE
Function back to normal(compressor start to work 7 minutes later)
F G
M