Test Mode - LG LFX23961SW /01 Service Manual

8-1-15 TEST Mode

1. The T est 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 controller.
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
TEST1
Push T est Switch (in the
main Board) once.
TEST2
Push TEST Switch
once in TEST MODE1.
TEST3
Push TEST Switch once
in TEST MODE 2.
Push TEST Switch
RESET
once in TEST MODE3.
FUNCTION
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.
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REMARKS
Maximum test time:
5 minutes
Maximum test time:
5 minutes
Reset if the
T emperature of the
Defrosting Sensor is
46ºF(8ºC)or more.
The compressor will
Start after a 7-minute
Delay.