LG LFX25960SB Service Manual page 33

8-1-16 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 two buttons at Display panel.
3. While in the test mode, the function control button is not recognized, but the recognition tone 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.
Table 1. Function Test
MODE OPERATION
Push FREEZER KEY and
LOCK KEY at the same
time over 5 deconds OR
TEST1
Push Test Switch (in the
main Board) once.(See
page 39)
Push FREEZER KEY and
LOCK KEY at the same
TEST2
time over 5 seconds in
TEST MODE 1 OR Push
TEST Switch once in TEST
MODE1.(See page 39)
Push FREEZER KEY and
LOCK KEY at the same
TEST3
time over 5 seconds in
TEST MODE 2 OR Push
TEST Switch once in TEST
MODE2.(See page 39)
Push FREEZER KEY and
LOCK KEY at the same
time over 5 seconds in
TEST MODE 3 OR Push
RESET
TEST Switch once in TEST
MODE3.(See page 39)
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1) Continuous operation of the
COMPRESSOR and the Freezer fan
2) Stepping DAMPER OPEN
3) Defrosting HEATER OFF
4) DISPLAY LED all ON
1) Continuous operation of the
COMPRESSOR and the Freezer fan
2) Stepping DAMPER CLOSE
3) Defrosting HEATER OFF
4) DISPLAY LED shows no. 2
1) COMPRESSOR and the Freezer fan
OFF
2) Stepping DAMPER CLOSE
3) Defrosting HEATER ON
4) DISPLAY LED shows no. 3
Reset to the previously setting
Before TEST MODE.
- 33 -
FUNCTION REMARKS
Reset if the
Temperature of the
Defrosting Sensor is
46˚F(8˚C)or more.
The compressor will
Start after a 7-minute
Delay.