LG GC-B379S*QA Service Manual page 27

MICOM FUNCTION & PCB CIRCUIT EXPLANATION
TEST function
• If the temperature is above than 45 C° when the first time defrost
sensor is power on, the primary defrost conditions are proceed. In
case of temperature is lower than 45 C°, LQC heater check mode
starts.
Attention
• If the sensor becomes above 45 C° within 10 seconds after starting
the defrost heater, it will return to its normal state. (the primal LQC
heater check àSee also the order of the operation status)
Display indication while TEST mode is turned on
TEST1
MODE
GC-B379S*QA/GC-B409S*QA
-15 · -20 · -23 °C
FREEZER
EXPRESS FRZ.
-15 · -20 · -23 °C
EXPRESS FRZ. FREEZER
GC-B379S*CA/GC-B409S*CA
TEST2
MODE
TEST1
MODE
6 · 3 · 0 °C
ECO FRIENDLY
FRIDGE
TEST2
MODE
6 · 3 · 0 °C
FRIDGE ECO FRIENDLY
TEST function
• The TEST 1 mode returns to previous condition in 120 min after
turning on.
• During the switching state from TEST 1 to TEST 2, load delay is
0.5 sec. (sound proof)
• If the buttons of display are pressed in TEST mode, the functions
will not operate.
• If you find any fault in the sensor in TEST mode, damage
designation will indicate on the display.
• If the TEST mode is turned ON during power on, the TEST
functions are not proceeded but the
• General normal mode.
• If the TEST functions are not operate in the error mode or failure
occurs during the TEST mode
• Function fault designation will indicate on the display after reset
the MICOM(Return to normal mode).
Attention
• If Short made in TEST terminal, the TEST 1 condition will maintain.
27