3. Operation Instructions
SELF DIAGNOSIS FUNCTION
*When "QUICK FREEZING" LED indicate red bright. Press "QUICK FREEZING" botton 10~13 sec plus than going into SELF DIAGNOSIS
No CODE Operation PCB Display Content Symptom Confirm point Solve
"MAX"LED: light off
"MED"LED: light off
"MIN"LED: light off
1 U10
"QUICK DEODORIZER "
LED: light off
"QUICK FREEZING" LED
Door opened alarm.
Refrigerator have not cooling
1.The door of refrigerator
compartment is opened.
1.Close the refrigerator compartment
door
2.Door switch is breakdown.
2.Replace door switch
3.Control PCB is breakdown.
3.Replace Control PCB
: light on
"MAX"LED: light off
"MED"LED: light off
"MIN"LED: light off
Freezer compartment Compressor is stopped.
of sensor was open
Refrigerator have not circuit.
cooling at all.
1.Check freezer compartment o
1.Replace freezer compartment of sensor.
sensor.
2.Replace Control PCB.
2.Check Control PCB of 3.Replace Control PCB.
"QUICK DEODORIZER "
2 H01
LED: light on
"QUICK FREEZING" LED
: light off
3
Freezer compartment Compressor is running of sensor was short all the time.
circuit.
Refrigerator is over cooling at all.
connector.
3.Control PCB is breakdown.
Freezer compartment Refrigerator have not of sensor put error of cooling at all,or over position cooling at all.
"MAX"LED: light off
"MED"LED: light off
Defrost of sensor was open circuit.
Thermal fuse was cut off
1.Check defrost of sensor. in freezer compartment 2.Check Control PCB of
H05
"MIN"LED: light on
Defrost of sensor
"QUICK DEODORIZER " was short circuit.
The refrigerator have not defrosting .
LED: light off
Defrost of sensor
Evaporator have over frost
"QUICK FREEZING" LED put error of position Refrigerator have not
connector.
3.Control PCB is breakdown.
: light on cooling at all.
1.Replace defrost of sensor.
2.Replace Control PCB.
3.Replace Control PCB.
"MAX"LED: light off
"MED"LED: light off
"MIN"LED: light on
H07
"QUICK DEODORIZER "
ATC of sensor was open circuit*.
Refrigerator is over cooling at all.
1.Check ATC of sensor.
2.Check Control PCB of
connector.
1.Replace defrost of sensor.
2.Replace Control PCB.
3.Replace Control PCB.
4
LED: light on
ATC of sensor was short circuit*.
Refrigerator have not cooling at all.
3.Control PCB is breakdown.
"QUICK FREEZING" LED
5 H29
6 H31
7 H38
: light off
"MAX"LED: light off
"MED"LED: light on
"MIN"LED: light off
"QUICK DEODORIZER "
LED: light on
"QUICK FREEZING" LED
: light off
"MAX"LED: light off
"MED"LED: light on
"MIN"LED: light off
"QUICK DEODORIZER "
LED: light on
"QUICK FREEZING" LED
: light on
"MAX"LED: light on
"MED"LED: light off
"MIN"LED: light off
"QUICK DEODORIZER "
LED: light off
"QUICK FREEZING" LED
: light on
Freezer compartment o1.Freezer compartment of
1.Check fan motor. fan motor is opened fan motor is not runing. 2.Check Control PCB of circuit or locked .
2.Refrigerator have not
cooling at all.
connector.
3.Control PCB is breakdown.
Freezer compartment Refrigerator have not defrost abnormal defrosting.
Freezer compartment 1.Freezer compartment of fan motor 'rotation is of fan motor is locking. abnormal 2.Freezer compartment
of fan motor is over
rotation .
3.Freezer compartment
of fan motor is lower
1.Check fan motor.
2.Check Control PCB of
connector.
3.Control PCB is breakdown.
rotation .
*ATC sensor is to measure atmosphere temperature . ATC sensor put on operation board.
1.Replace fan motor.
2.Replace Control PCB.
3.Replace Control PCB.
1.Check defroster of heater.
1.Replace defroster of heater
2.Check Control PCB of 2.Replace Control PCB.
connector.
3.Control PCB is breakdown.
3.Replace Control PCB.
4.Thermal fuse was cut off
in freezer compartment.
1.Replace fan motor.
2.Replace Control PCB.
3.Replace Control PCB.
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No CODE Operation PCB Display
"MAX"LED: light off
"MED"LED: light on
"MIN"LED: light on
8 H40 "QUICK DEODORIZER "
LED: light off
"QUICK FREEZING" LED
: light off
"MAX"LED: light off
9
10
H41
H50
"MED"LED: light on
"MIN"LED: light on
"QUICK DEODORIZER "
LED: light off
"QUICK FREEZING" LED
: light on
"MAX"LED: light off
"MED"LED: light on
"MIN"LED: light on
"QUICK DEODORIZER "
LED: light on
"QUICK FREEZING" LED
11
12
H51
H52
: light off
"MAX"LED: light off
"MED"LED: light on
"MIN"LED: light on
"QUICK DEODORIZER "
LED: light on
"QUICK FREEZING" LED
: light on
"MAX"LED: light on
"MED"LED: light off
"MIN"LED: light off
"QUICK DEODORIZER "
LED: light off
"QUICK FREEZING" LED
: light off
Content Symptom Confirm point Solve
Protection of IPM for 1. "QUICK FREEZING" LED 1.Control PCB is breakdown.
1.Replace Control PCB. compressor lock indicate red bright.
Protection from low voltage
(voltage drop)
Control PCB of communication is abnormal.
Control PCB of
ROM is abnormal
1. "QUICK FREEZING" LED 1.Control PCB is breakdown.
indicate red bright.
1. "QUICK FREEZING" LED 1.Control PCB is breakdown.
indicate red bright.
1. "QUICK FREEZING" LED 1.Control PCB is breakdown.
indicate red bright.
1.Replace Control PCB.
1.Replace Control PCB.
1.Replace Control PCB.
Control PCB is abnormal.
1. "QUICK FREEZING" LED 1.Control PCB is breakdown.
1.Replace Control PCB.
indicate red bright.
(compressor voltage) 2.Compressor not run
all the time.
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