DOWNLOAD LG GR-267 Service Manual ↓ Size: 22.52 MB | Pages: 127 in PDF or view online for FREE

Model
GR-267
Pages
127
Size
22.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Refrigerator
File
gr-267.zip
Date

LG GR-267 Service Manual ▷ View online

2-2. Power Freeze
1. Power freeze is the function which increases the cooling speed of freezer by continuously operating compressor and
freezer fan. When power freeze button is pressed, the letter “POWER FREEZE” is light on and 
u
LED is on after
flickering five times.
2. Whenever selection switch is pressed in power freezer, selection/release (lamp on/off) changes in turn.
3. If power is on after power cut, power freeze is canceled.
4. Even though power freezer is selected, the set temperatures of freezer and refrigerator do not change.
5. If power freezer is selected, the set temperature of freezer and refrigerator can be changed.
6. If power freezer is selected, the refrigerator operates at its set temperature.
7. Power freezes shall be cancelled after compressor and freezer fan continuously operate for three hours.
8. If defrost starts during power freezer, the power freeze operates for the rest of time after defrost is complete when power
freeze operation time is less than 90 minutes. If power freeze operated for more than 90minutes, the power freeze shall
operate for two hours before it stops.
9. If power freeze is pressed during defrost, power freeze LED is on but power freeze operation starts seven minutes after
defrost is complete and it shall operate for three hours.
10. If power freeze is selected within seven minutes after compressor has stopped, the compressor (compressor delays
seven minutes) shall start after the balance of the delay time.
11. The fan motor in the freezer compartment rotates at very high speed during power freezer.
2-3. Variable Type Freezer Fan Control
1. Freezer fan motor has high and standard RPMs. 
2. High RPM is used when electricity is first on, for power freeze, and when refrigerator is overloaded. But standard RPM is
used for general purposes.
3. Fan motor stops operation when freezer, refrigerator, and home bar doors are open and vice versa.
2-4. Door Opening Warnings
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.
2-5. Button Selection Buzzer Sound
1. Buzzer will sound when front display button is pressed.
MICOM FUNCTION AND CIRCUITS
- 31 -
Closed
Open
Closed
Open
3Times
3Times
3Times
3Times
Closed
Within one minute
one minute
30
 Seconds
30
 Seconds
30
 Seconds
Freezer Door
or Refrigerator
Door
Buzzer
MICOM FUNCTION AND CIRCUITS
- 49 -
4-4. PWB ASSY., SUB Parts List
4-5. SUB PWB ASSY.  Circuit Drawing
MICOM FUNCTION AND CIRCUITS
- 50 -
MAIN
PWB
CC2
471/2KV
CM2
022uF
/AC275V
VA2
SVC471
D14A
DSA
CC1
471/2KV
R1
1M
VA1
SVC471
D14A
CM1
0.1uF
/AC275V
250V
/15A
MAIN
FUSE
L1, 14mH
POWER
4-3. PWB ASSY., SUB Parts Drawing
MICOM FUNCTION AND CIRCUITS
- 51 -
INPUT
L1
INPUT
OUTPUT
OUTPUT
CC1
CC2
VA1
SH-0357 94V-0
R1
FUSE
EARTH
VA2
CM2
TAB3
TAB4
N
EUTRAL
Live
250V/15A
TAB2
CM1
PIN
DSA
6871JB1035
BLACK/WHITE
BLACK/WHITE
YELLOW/BLUE
YELLOW/BLUE
YELLO
W/BLUE
OUTPUT PART
POWER CORD PART
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