LG GR-559JPA Service Manual page 23

7-1-2 SUPER COOL
1. This feature is to shorten the cooling time of the refrigerator by keeping the comp, fan running for a while. When the
Super Cool button is pushed, the Super Cool LED turns on in order and the comp keeps on running. In 2 hours, the
Super Cool mode will be cleared.
2. When the Defrosting mode starts while in the Super Cool mode, defrosting is performed. After that, the Super Cool mode
resumes for the remaining time.
3. When the Super Cool button is pushed while in the Defrosting mode, the Super Cool mode starts in 7 minutes after the
completion of the defrosting even though the Super Cool LED turns on.
4. If a power failure occurs while in the Super Cool mode, the Super Cool mode will be cancelled when the power is
restored.
5. If the Super Cool mode is selected when it has not passed 7 minutes since the comp stopped, the comp will start running
after the remaining time elapses.
6. In Super Cool mode, Freezer fan motor operates with High speed RPM.
7-1-3 OPERATION OF FROM THE FRONT AND THE REAR LED
u GR-R652/R712
1. For 2 minutes while the door of the freezer or the refrigerator is open or after it is closed, the LED blinks and then the all
LEDs are kept on.
2. While the LED turns on as described above, the sensor detects the location of the food and so on.
7-1-4 CONTROL OF VARIABLE SPEED FAN IN THE FREEZER COMPARTMENT
1. Fan motor in the freezer compartment shall change from standard to high speed rpm in order to increase cooling speed
and load corresponding speed.
2. Hign speed rpm is only used for the initial power application, super cool mode and load corresponding operation. But
standard rpm is used in the general working conditions.
3. When the door of freezer room or refrigerator room is opened, the FAN MOTOR is stoped immediately, then when the
door is closed, the FAN DOOR is operated.
7-1-5 ALARM FOR OPEN DOOR
1. This feature is to alarm by the buzzer when the door of the freezer or the refrigerator is not closed in 1 minute after it is
opened.
2. In 1 minute after the door is opened, the buzzer sounds three times at the interval of 0.5 second. After that, every 30
seconds, the buzzer sounds three times with 0.5 sec ON/OFF.
3. The alarming is cancelled when the door of the freezer or the refrigerator is closed while the buzzer sounds.
(EX.)
FREEZER OR
REFRIGERATOR
DOOR
BUZZER
u GR-S652/S712
CLOSE OPEN CLOSE
within
1 minute
OPEN
three three three
times times times
1 minute 30 30
seconds seconds
- 23 -
u GR-652P/712P
CLOSE
three
times