LG LRTN22310 - Manual (Page 16)

7-1 FUNCTION
7-1-1 Function
1. When the appliance is plugged in, it is set to "3" for the Refrigerator.
You can adjust the Refrigerator control temperature by pressing the ADJUST button.
2. When the power is initially applied or restored after a power failure, it is automatically reset to "3".
7-1-2 Defrost Cycle
1. A defrost cycle will be initiated after 4 hours of accumulated compressor run time after the initial power up or a power
failure.
2. After the initial defrost, the defrost cycle is initiated after 7 hour of accumulated compressor run time.
3. The defrost cycle will be terminated once the defrost sensor reaches 50°F(10°C).
7-1-3 Electrical Parts Operates in Orders
Electrical parts such as COMP, defrost heater, freezer FAN, etc. operate in the following order to prevent noise and parts
damage. Several parts are started at the same time at initial power on and are turned off together when TEST is
completed.
7. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM
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WARMER COLDER
1 2 3 4 5
TEMPERATURE
ADJUST
OPERATING ORDERS
Temperature of Defrost
Sensor is 113°F(45°C) or
more (when unit is newly
purchased or when moved)
Temperature of defrost
sensor is lower than
113°F(45°C) (when power
cuts, SERVICE)
Reset to normal operation
from TEST MODE
Initial power on
POWER
ON
in 1/2 second
Total load
OFF
COMP &
Freezer FAN
ON
in 7 minute
COMP &
Freezer FAN
ON
POWER
ON
COMP &
Freezer FAN
ON
Defrost
heater ON
Defrost
heater OFF
in 1/2 second
in 1/2 second
in 10 second