LG LBC24360ST Service Manual - Page 63

TEST Mode

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13-1-11 TEST Mode 1. The test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of an error. 2. The test mode is operated by pressing test button at main PCB conttroller. 3. While in the test mode, the function control button is not recognized, but the recognition tone (beep~) sounds. 4. After exiting the test mode, be sure to reset by unplugging and then plugging in the appliance. 5. If an error, such as a sensor failure, is detected while in the test mode, the test mode is cleared and the error code is displayed. 6. While an error code is displayed, the test mode will not be activated. MODE MANIPULATION CONTENTS REMARKS 1) Continuous operation of the COMPRESSOR and the Push Test S/W(in the TEST1 main Board) once. FREEZER/ Refrigerator fan. 2) Stepping DAMPER OPEN. 3) Defrosting HEATER OFF. 4) DISPLAYED LED all ON. 1) Continuous operation of the TEST2 Push Test S/W(in the main Board) once in TEST MODE 1. COMPRESSOR and the FREEZER/ Refrigerator fan. 2) Stepping DAMPER CLOSE. 3) Defrosting HEATER OFF. 4) DISPLAYED LED shows no.2 1) COMPRESSOR and the Push Test S/W(in the FREEZER/ Refrigerator fan OFF. Reset if the Temperature TEST3 main Board) once in 2) Stepping DAMPER CLOSE. of the Defrosting Sensor is TEST MODE 2. 3) Defrosting HEATER ON. 46°F (8°C) or more. 4) DISPLAYED LED shows no.3 RESET Push Test S/W(in the main Board) once in TEST MODE 3. Reset to the prevoiusly setting before TEST MODE. The compressor will start after a 7-minute delay. * Freezer Fan Variable RPM Check: To check the variable rpm, press the Ice Plus button or TEST1 button . The fan speed will change to higher than original setting. * Demonstration (Display) MODE: 1. To enter this mode, press and hold Refrigerator Temp button and Ice Plus button for 5 seconds. 2. The LED panels will display OFF, to indicate that the compressor, circulating fan, damper, and defrost heater are not operating. 3. The open door alarm and the LED auto-off feature will work normally and can be demonstrated. 4. To reset to normal operation, press and hold Refrigerator Temp button and Ice Plus button for 5 seconds. 63

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13-1-11 TEST Mode
1.
The test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of
an error.
2.
The test mode is operated by pressing test button at main PCB conttroller.
3.
While in the test mode, the function control button is not recognized, but the recognition tone (beep~) sounds.
4.
After exiting the test mode, be sure to reset by unplugging and then plugging in the appliance.
5.
If an error, such as a sensor failure, is detected while in the test mode, the test mode is cleared and the error code is
displayed.
6.
While an error code is displayed, the test mode will not be activated.
MODE
MANIPULATION
CONTENTS
REMARKS
TEST1
Push Test S/W(in the
main Board) once.
1) Continuous operation of the
COMPRESSOR and the
FREEZER/ Refrigerator fan.
2) Stepping DAMPER OPEN.
3) Defrosting HEATER OFF.
4) DISPLAYED LED all ON.
TEST2
Push Test S/W(in the
main Board) once in
TEST MODE 1.
1) Continuous operation of the
COMPRESSOR and the
FREEZER/ Refrigerator fan.
2) Stepping DAMPER CLOSE.
3) Defrosting HEATER OFF.
4) DISPLAYED LED shows no.2
TEST3
Push Test S/W(in the
main Board) once in
TEST MODE 2.
1) COMPRESSOR and the
FREEZER/ Refrigerator fan OFF.
2) Stepping DAMPER CLOSE.
3) Defrosting HEATER ON.
4) DISPLAYED LED shows no.3
Reset if the Temperature
of the Defrosting Sensor is
46°F (8°C) or more.
RESET
Push Test S/W(in the
main Board) once in
TEST MODE 3.
Reset to the prevoiusly setting
before TEST MODE.
The compressor will start
after a 7-minute delay.
*
Freezer Fan Variable RPM Check:
To check
he
ariable
pm
ress
he Ice Plus button or TEST1 button
he an
peed
ill
hange o
igher han
riginal
etting
Demonstration (Display) MODE:
1. To enter
his
ode
ress
nd
old Refrigerator Temp button and Ice Plus button
or 5
econds
2. The LED panels will display OFF, to indicate that the compressor, circulating fan, damper, and defrost heater are not
operating.
3. The open door alarm and the LED auto-off feature will work normally and can be demonstrated.
4. To reset
o
ormal
peration
ress
nd
old Refrigerator Temp button and Ice Plus button
or 5
econds
,
.
.
,
.
,
.
t
v
r
p
t
T
f
s
w
c
t
h
t
o
s
t
m
p
a
h
f
s
t
n
o
p
a
h
f
s
*
63