LG GR-459GTCA, Service Manual

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2) MIRACLE ZONE (BEST MODEL)
(1) You can select optimum temperature range depending on types of food stored.
(2) 4 step of temperature selection including 1°C, -1°C, -3°C and -7°C is available.
3) SUPER FREEZING
(1) It is the function which increases the cooling speed of freezer by continuously operating compressor and freezer fan.
When it’s button is pressed, GRAPHIC is on.
(2) Whenever selection switch is pressed, selection/release (GRAPHIC on/off) changes in turn.
(3) If power is on after power cut, SUPER FREEZING function is canceled.
(4) It shall be cancelled after compressor and freezer fan continuously operate for three hours.
(5) If defrost starts during SUPER FREZZING, SUPER FREZZING operates for the rest of time after defrost is complete
when SUPER FREZZING operation time is less than 90 minutes. If SUPER FREZZING operated for more than
90minutes, the SUPER FREZZING shall operate for two hours before it stops.
(6) If SUPER FREZZING is pressed during defrost, SUPER FREZZING GRAPHIC is on but SUPER FREEZING operation
starts seven minutes after defrost is complete and it shall operate for three hours.
(7) If SUPER FREZZING is selected within seven minutes after compressor has stopped, the compressor (compressor
delays seven minutes) shall start after the balance of the delay time.
(8) If VACATION button is pressed during the SUPER FREEZING, the SUPER FREEZING function is immediately released.
4) VACATION FUNCTION
(1) When pressing the VACATION button, the VACATION GRAPHIC is on and its function is operated.
(2) In the status of VACATION mode, regardless of current notch, freezer is controlled at –13°C and refrigerator is controlled at 7°C.
(but, above temperature is displayed in the case of BEST model.)
(3) In the status of VACATION mode, any other button except VACATION button is not worked.
(4) When pressing the VACATION button again, VACATION GRAPHIC is off and its function is released.
(Here, freezer and refrigerator is controlled at previous setting temperature.)
5) DOOR OPEN ALARM
(1) Buzzer shall give warnings if freezer, refrigerator, or home bar door is open for more than one minute.
(2) Buzzer shall give warnings three times in 0.5 second interval, then three times on/off in 0.5 second interval in every thirty
seconds.
(3) Warnings are ceased when freezer, refrigerator and home bar doors are all closed.
6) BUZZER SOUND
(1) When the button on the front Display is pushed, a Ding ~ sound is produced.
(Refer to the BUZZER OPERATION CHECK)
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CLOSE
CLOSE
OPEN CLOSE
CLOSE
OPEN CLOSE
BUZZER
within
1 minute
1 Min 30 Sec
500 ms
FREEZER
REFRIGERATOR
DOOR
Vegetables & Fruits
Fresh Meat
Raw Fish
Frozen Meat