LG LRTN22310 - Manual (Page 18)

7-1-5 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 button is on the main PCB of the refrigerator (Test S/W). The test mode will be cleared in 2 hours regardless of
the type of test mode.
3. While in the test mode, the ADJUST button will not operate.
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 even if the test button is pushed.
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MODE MANIPULATION CONTENTS REMARKS
TEST1
TEST2
Reset
Push the test button
once.
Push the test button
once while in
TEST MODE 1.
Push the test button
once while in
TEST MODE 2.
1. Continuous operation of the COMP
2. Continuous operation of the freezer fan
3. Defrosting Heater OFF
4. Every DISPLAY LED ON
1. COMP OFF
2. Freezer FAN OFF
3. Defrosting heater ON
4. 1, 3, 5 LED ON
Reset to the default setting
Reset if the
temperature of the
Defrosting sensor is
50°F(10°C) or more.
The compressor will
Start after a 7-minute
delay.