LG SKSWK245LS Owner's manual

Category
Fridges
Type
Owner's manual

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SERVICE MANUAL
BUILT IN WINE CELLAR
MODEL : SKSCW181RP
SKSCW241RP
CONFIDENTIAL
www.signaturekitchensuite.com
MFL67262420
Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication,
modication, copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained
the prior written consent of the SIGNATURE KITCHEN SUITE entity from which you received this Service Manual.
The material covered by this prohibition includes, without limitation, any text, graphics or logos in this Service Manual.
Copyright © 2018 - 2019 SIGNATURE KITCHEN SUITE. All rights reserved. Only training and service purposes.
- 2 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
All rights reserved. Only training and service purposes.
CONTENTS
1. SAFETY PRECAUTIONS ............................................................................................................................................................ 3
2. PRODUCT STANDARDS ............................................................................................................................................................ 4
3. CIRCUIT DIAGRAM .................................................................................................................................................................5-6
4. SPECIFICATIONS ....................................................................................................................................................................7-9
5. MICOM FUNCTION ..............................................................................................................................................................10-11
6. TROUBLE SHOOTING.........................................................................................................................................................12-24
7. TROUBLE SHOOTING WITH ERROR DISPLAY ................................................................................................................ 25-43
8. HOW TO DISASSEMBLE AND ASSEMBLE
1. Door ........................................................................................................................................................................................44
2. Knock-on ..........................................................................................................................................................................45-46
3. Top Cover ..............................................................................................................................................................................47
4. Door Switch / SDS PCB / Temperature sensor ..................................................................................................................48
5. Machine Room Cover ........................................................................................................................................................... 49
6. Machine Room Cycle.......................................................................................................................................................50-53
7. Wi-Fi .......................................................................................................................................................................................54
8. Power Cord ............................................................................................................................................................................55
9. Main PCB ..........................................................................................................................................................................56-57
10. Control Panel ......................................................................................................................................................................58
11. Shelf .....................................................................................................................................................................................59
12. Slide Rail ............................................................................................................................................................................. 60
13. Holder Rail .......................................................................................................................................................................... 61
14. Top Duct ...............................................................................................................................................................................62
15. Grille Fan .............................................................................................................................................................................63
16. Multi Duct ............................................................................................................................................................................64
17. Defrost Sensor ...................................................................................................................................................................65
18. Barrier ..................................................................................................................................................................................66
9. SEALED SYSTEM REPAIR METHOD OF REFRIGERATOR WITH R600A REFRIGERANT ...........................................67-73
10. EXPLODED VIEW .............................................................................................................................................................74-81
- 3 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
All rights reserved. Only training and service purposes.
1. SAFETY PRECAUTIONS
Please read the following instructions before servicing your refrigerator.
1. Unplug the powr before handing any electrical componets.
2. Check the rated current, voltage, and capacity.
3. Take caution not to get water near any electrical components.
4. Use exact replacement parts.
5. Remove any objects from the top prior to tilting the product.
- 4 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
All rights reserved. Only training and service purposes.
2. PRODUCT STANDARDS
Model Name
SKSCW181RP SKSCW241RP
Effective inner capacity 274L (9.7 Cu.ft) 385L (13.6 Cu.ft)
Outer dimension (W x D x H)
"445 × 607× 2121 mm
(17 1/2 x 23 7/8 x 83 1/2 inch)"
"603 × 607× 2121 mm
(23 3/4 x 23 7/8 x 83 1/2 inch)"
Rated voltage and frequency 115V / 60Hz 115V / 60Hz
Product weight (kg) 139kg (306lb) 162kg (357lb)
Cooling method Fan Cooling Fan Cooling
Defrost system Natural Defrost system Natural Defrost system
Lay-out
Room 2 (1 Barrier) 3 (2 Barrier)
Shelf 9 (Upper:4EA, Lower:5EA) 8 (Upper:4EA, Mid:2EA, Lower:2EA)
Temperature
control
Upper-Room Micom Control Micom Control
Middle-Room - Micom Control
Lower-Room Micom Control Micom Control
Cycle
Compressor driving method
Linear Linear
Evaporator Rollbond Type Rollbond Type
Condenser Micro Channel Condenser (Al) Micro Channel Condenser (Al)
Compressor Oil Mineral / Freol Alpha 3G (3cst) (120cc) Mineral / Freol Alpha 3G (3cst) (120cc)
Type of refrigerant R 600a (42g) R 600a (44g)
Capillary tube 0.75 0.75
Dryer (Capillary Tube) Molecular-sieves XH-9 Molecular-sieves XH-9
Valve 3Way Valve 4Way Valve
"Electrical parts
standard"
Heater AC 115V / 33W * 2EA AC 115V / 33W * 3EA
Overload protective device 4MPS41F9-01 4MPS41F9-01
Cold Fan motor DC 12V DC 12V
Fan motor for cooling
condenser
DC 12V DC 12V
Inside lamp
15.4W 28.2W
Main Fuse 125V / 10A 125V / 10A
Valve DC 12V DC 12V
Model Name
- 5 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
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3. CIRCUIT DIAGRAM
MBM6633
5905
CON1/
CON1_1
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
17
22
21
19
WATER PIPE HEATER
DEW HEATER
HALL IC
ICE MAKER SENSOR
ICE MAKER MOTOR
POWER
CORD
FUSE
ICE MAKER MOTOR TEST SWITCH
DISPENSER SWITCH
ICE MAKER MOTOR ON-OFF SWITCH
WH
WH
BK
BK
RD
RD
BO
BO
BL
BL
SB
GY/RD
WH/BK
YL
PK
BO/BL
BO/BL
1
3
5
7
9
11
13
15
17
19
21
23
2
4
6
8
10
12
14
16
18
20
22
24
VCC
GND
VCC
GND
VCC
GND
COM
A
B
B-
A-
1
2
5
6
3.4
3WAY/4WAY
VALVE
1
3
5
7
2
4
6
8
9
11
13
15
17
19
21
23
25
26
10
12
14
16
18
20
22
24
W1 FAN
MACHINE ROOM FAN
HYGIENE LED LIGHT
HYGIENE FAN MOTOR
W1 LED PWM LIGHT
W2 FAN
W3 FAN
YL
GY
BO
RD
BL
PK
RD/YL
YL/BL
WH/BN
PR/WH
BK
BN
PR
WH
WH/RD
BL/RD
SB/BK
BO/WH
BO/BL
YL/BK
WH/BK
BL/WH
W2 LED PWM LIGHT
W3 LED PWM LIGHT
SMART
BUZZER
H_SENSOR
DOOR 1 SWITCH
DOOR 2 SWITCH
DOOR 3 SWITCH
DAMPER
HEATER
H_SENSOR
BK
SB
PK
BL/WH
BL/WH
1
1
2
3
3
5
7
9
11
13
15
17
19
21
A
5V
GND
A-
B-
5V
GND
SIG
B
23
25
27
29
31
33
4
2
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
OUTDOOR SENSOR
RD
GY/WH
BL
BO
WH/RD
BN
BN
STEPPING
MOTOR DAMPER
STEPPING
MOTOR DAMPER
A
A-
B-
B
KNOCK ON
SENSOR 1
YL
BK
RD
1
2
3
5V
GND
SIG
KNOCK ON
SENSOR 2
YL
BK
RD
PR
BO/WH
12V
5V
5V
TX
RX
GND
GND
RX
TX
LINEAR
COMPRESSOR
COMPRESSOR
GROUNDING
OVERLOAD
PROTECTION
DEVICE
OVERLOAD
PROTECTION
DEVICE
BL
RD
BK
1
2
3
4
5
6
7
CIRCUIT DIAGRAM
8.0 SEC
9.0 SEC
10.0 SEC
11.0 SEC
D-N※ D-N : Defrosting Heater- N
GROUNDING
1
2
3
4
5
6
7
FUSE-M
FUSE-M
FUSE-M
FUSE-M
FUSE-M
FUSE-M
W2
DEFROSTING
HEATER
W2 DEFROSTING HEATER
W3 DEFROSTING HEATER
W1 DEFROSTING HEATER
W1
DEFROSTING
HEATER
W3
DEFROSTING
HEATER
1
2
3
4
5
6
7
8
9
10
11
PK
BN
WH
BK
GR/YL
WH
BK
W1 SENSOR
W1 DEFROSTING SENSOR
W2 SENSOR
W2 DEFROSTING SENSOR
W3 SENSOR
W3 DEFROSTING SENSOR
W1 LED LIGHT
W2 LED LIGHT
W3 LED LIGHT
- 6 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
All rights reserved. Only training and service purposes.
3. CIRCUIT DIAGRAM
MBM66335905
supérieur*OG¨SJFVS
supérieur*OG¨SJFVS
CON1/
CON1_1
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
17
22
21
19
CHAUFFAGE DE LA CONDUITE D’EAU
CHAUFFAGE DE LA ROSÉE
CIRCUIT INTÉGRÉ EFFET HALL
CAPTEUR DE L’APPAREIL À GLAÇONS
MOTEUR DE L’APPAREIL À GLAÇONS
FICHE
SECTEUR
FUSIBLE
INTERRUPTEUR DE TEST MOTEUR DE L’APPAREIL À GLAÇONS
INTERRUPTEUR DU DISTRIBUTEUR
INTERRUPTEUR MARCHE/ARRÊT MOTEUR DE L’APPAREIL À GLAÇONS
WH
WH
BK
BK
RD
RD
BO
BO
BL
BL
SB
GY/RD
WH/BK
YL
PK
BO/BL
BO/BL
1
3
5
7
9
11
13
15
17
19
21
23
2
4
6
8
10
12
14
16
18
20
22
24
CAPTEUR W1
CAPTEUR DE DÉGIVRAGE W1
CAPTEUR W2
CAPTEUR DE DÉGIVRAGE W2
CAPTEUR W3
CAPTEUR DE DÉGIVRAGE W3
ÉCLAIRAGE LED W1
ÉCLAIRAGE LED W2
ÉCLAIRAGE LED W3
VCC
GND
VCC
GND
VCC
GND
COM
A
B
B-
A-
1
2
5
6
3.4
SOUPAPE
3 VOIES/4 VOIES
1
3
5
7
2
4
6
8
9
11
13
15
17
19
21
23
25
26
10
12
14
16
18
20
22
24
VENTILATEUR W1
VENTILATEUR LOCAL TECHNIQUE
LAMPE LED HYGIÈNE
MOTEUR VENTILATEUR HYGIÈNE
LAMPE LED PWM W1
VENTILATEUR W2
VENTILATEUR W3
YL
GY
BO
RD
BL
PK
RD/YL
YL/BL
WH/BN
PR/WH
BK
BN
PR
WH
WH/RD
BL/RD
SB/BK
BO/WH
BO/BL
YL/BK
WH/BK
BL/WH
LAMPE LED PWM W2
LAMPE LED PWM W3
ALARME
INTELLIGENTE
CAPTEUR
D’HUMIDITÉ
INTERRUPTEUR PORTE 1
INTERRUPTEUR PORTE 2
INTERRUPTEUR PORTE 3
CHAUFFAGE
DU REGISTRE
Capteur d’humidité
BK
SB
PK
BL/WH
BL/WH
1
1
2
3
3
5
7
9
11
13
15
17
19
21
A
5V
GND
A-
B-
5V
GND
SIG
B
23
25
27
29
31
33
4
2
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
CAPTEUR EXTÉRIEUR
RD
GY/WH
BL
BO
WH/RD
BN
BN
REGISTRE DU
MOTEUR PAS À PAS
AFFICHER
REGISTRE DU
MOTEUR PAS À PAS
A
A-
B-
B
TAPER SUR
LE CAPTEUR 1
YL
BK
RD
1
2
3
5V
GND
SIG
TAPER SUR
LE CAPTEUR 2
YL
BK
RD
PR
BO/WH
12V
5V
5V
TX
RX
GND
GND
RX
TX
COMPRESSEUR
LINÉAIRE
DISPOSITIF DE
PROTECTION
CONTRE LES
SURCHARGES
DISPOSITIF DE
PROTECTION
CONTRE LES
SURCHARGES
BASES DU
COMPRESSEUR
BL
RD
BK
1
2
3
4
5
6
7
SCHÉMA DE CIRCUIT
D-N
※ D-N : CHAUFFAGE DE DÉGIVRAGE- N
MISE À TERRE
1
2
3
4
5
6
7
FUSIBLE-M
FUSIBLE-M
FUSIBLE-M
FUSIBLE-M
FUSIBLE-M
FUSIBLE-M
1
2
3
4
5
6
7
8
9
10
11
PK
BN
WH
BK
GR/YL
WH
BK
RÉACTEUR
NEUTRE
SOUS
TENSION
CHAUFFAGE DE
DÉGIVRAGE W2
CHAUFFAGE DE
DÉGIVRAGE W3
CHAUFFAGE DE
DÉGIVRAGE W1
CHAUFFAGE DE DÉGIVRAGE W2
CHAUFFAGE DE DÉGIVRAGE W3
CHAUFFAGE DE DÉGIVRAGE W1
8.0 SEC
9.0 SEC
10.0 SEC
11.0 SEC
- 7 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
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4. SPECIFICATIONS
● SPECIFICATIONS
● DIMENSIONS
ITEMS SPECIFICATIONS
DOOR DESIGN Side Rounded
DIMENSIONS
18W
17 1/2 x 23 7/8 x 83 1/2 (W X D X H)
24W
23 4/3 x 23 7/8 x 83 1/2 (W X D X H)
NET WEIGHT
18W 139kg (306lb)
24W 162kg (357lb)
COOLING SYSTE M Fan Cooling
TEMPERATURE CONTROL Micom Control
DEFROSTING SYSTEM
Natural Defrost System
DOOR FINISH GI
HANDLE TYPE Bar
INNER CASE Aluminum
INSULATION Polyurethane Foam
Description SKSCW181RP SKSCW241RP
Width Width (A) 17 1/2"(445mm) 23 3/4"(603mm)
Depth
Depth with 3/4"(19mm) Door panel (B) 24 3/4"(629mm) 24 3/4"(629mm)
Depth with door (No panel) ( C ) 23 7/8"(607mm) 23 7/8"(607mm)
Cabinet depth without Door (D) 22"(558mm) 22"(558mm)
Door Open 90º (E) 21 7/8"(556m) 28 1/8"(713mm)
Door Open 115º (F) 20 1/2"(520mm) 26 1/2"(659mm)
Height
Min (G) 83 1/2"(2121mm) 83 1/2"(2121mm)
Max (H) 84 1/2"(2146mm) 84 1/2"(2146mm)
ITEMS SPECIFICATIONS
COMPRESSOR Linear
EVAPORATOR Rollbond Type
CONDENSER Micro channel Condenser (Al)
REFRIGERANT
18W R 600a (42g)
24W R 600a (44g)
LUBRICATING OIL
Mineral / Freol Alpha 3G (3cst)
(120cc)
LAMP LED Module
(E)
DOOR OPEN 90˚
FRONT VIEW
SIDE VIEW
TOP VIEWS
DOOR OPEN 115˚
(F)
(A)
(A)
(A)
(B)
(C)
(D)
(G)
min.
(H)
max.
(G)
min.
(H)
max.
- 8 -
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Control Panel
LED Interior
Lighting
Storage Rack
Zone Divider
LED Interior
Lighting
● Parts
MODEL : SKSCW181RP
- 9 -
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Control Panel
LED Interior
Lighting
Storage Rack
Zone Divider
LED Interior
Lighting
Zone Divider
LED Interior
Lighting
● Parts
MODEL : SKSCW241RP
- 10 -
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5. MICOM FUNCTION
● Operating panel drawing (Applied display is different for each model)
- MODEL : SKSCW181RP
- MODEL : SKSCW241RP
NOTCH
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9
Upper/
Lower
Set
Temper
ature
55˚F 54˚F 53˚F 52˚F 51˚F 50˚F 49˚F 48˚F 47˚F 46˚F 45˚F 44˚F 43˚F 42˚F 41˚F 64˚F 63˚F 62˚F 61˚F 60˚F 59˚F 58˚F 57˚F 56˚F
NOTCH
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9
Upper/
Middle
Lower/
Set
Temper
ature
55˚F 54˚F 53˚F 52˚F 51˚F 50˚F 49˚F 48˚F 47˚F 46˚F 45˚F 44˚F 43˚F 42˚F 41˚F 64˚F 63˚F 62˚F 61˚F 60˚F 59˚F 58˚F 57˚F 56˚F
- 11 -
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- Model : SKSCW241RP
● Description of Function
- MODEL : SKSCW181RP
Temperature setting
: Indicates the set temperature of the Refrigerator compartment in Celsius or Fahrenheit.
Humidity
: The FAN motor for humidity in the refrigerator will be activated or deactivated whenever pressing the button.
Light
: Inner LED turns on/off whenever pressing the button
Wi-Fi
: The Wi-Fi Icon is blinked when press and hold the button for 3 sec. And then,
- Wi-Fi Connecting : Wi-Fi Icon turns on.
- Wi-Fi Disconnecting : Wi-Fi Icon turns off after 3 min.
Power
: The Power Icon always on. If the power button is pressed and hold for 3 sec., it turns off.
- 12 -
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6. TROUBLE SHOOTING
Open the PCBA Cover
Check the LED blinking times
(Refer to the next chapter for LED blinking and actions.)
If the Comp is normal,
the LED does not blink.
Open the PCBA Cover
Check the LED blinking times
(Refer to the next chapter for LED blinking and actions.)
If the Comp is normal,
the LED does not blink.
1. COMP Bad Operation
- 13 -
Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
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2. Simple Check Flow Chart
- Not Cooling (LED Blinking)
- Not Cooling (LED No Blinking)
Check Comp.
Y
N
PCBA
Output
> 60V?
N
N
Y
LED 7 Blinks
LED 2 Blinks
LED 1 Blinks
Replace PCB
Comp.
Action?
Replace PCB
Y
LED6 Blinks
Comp.
Action?
Harness
wiring?
Y
Repair Harness
N
LED 8 Blinks
Replace PCBReset
LED 7 Blinks
LED 1 Blinks
LED 2 Blinks
LED 6 Blinks
LED 8 Blinks
LED 3 Blinks LED 3 Blinks
LED 5 Blinks
Comp.
Action?
LED 5 Blinks
Check C
omp.
Check Comp.
Check
Cycle leakage
Cycle
Cycle leakage
Check
Cycle leakage
About 5min
About 5min
About 5min
About 5min
About 5min
About 5min
About 5min
LED 4 Blinks
Replace PCB
LED 4 Blinks
About 5min
Reset
Reset
Reset
Reset
Reset
Reset
Reset
Test Mode
1 Input
Test Mode
1 Input
Test Mode
1 Input
Test Mode
1 Input
Test Mode
1 Input
Test Mode
1 Input
Test Mode
1 Input
Test Mode
1 Input
PCBA
Output
> 60V
Replace PCB
Replace PCB
Y
N
Y
N
LED Trip Information
1 Current/Voltage Sensing Error
2 Over Stroke
3 Comp Connection Error
4 Over Voltage Error
5 Comp Lock Error
6 Over Current Error
7 IPM Error
8 Communication Error
Comp.
Action?
PCBA
Output
> 60V
Replace PCB
N
N
Test Mode
1 Input
About 5min
- 14 -
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3. What to do per LED Blinking and Trip protection logic
(1) FCT0 Trip and LED Blinking 1 time (FCT0 Fault)
→ Purpose : To detect the compressor voltage and current sensing error.
→ Restart every 30 seconds after compressor off.
Blink BlinkOFF OFF
LED 1 Blinks
Replace PCB
LED 1 Blinks
About 5minReset
Test Mode
1 Input
- 15 -
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3. What to do per LED Blinking and Trip protection logic
(2) Stroke Trip and LED Blinking 2 times (Stroke Trip)
→ Purpose : Protection piston crash by abnormally large Stroke.
Case 1. Do not operate Comp.
: Harness connection failure between the PCB, Comp, Capacitor.
Case 2. Do operate Comp. intermittently
: Condenser Fan or Freezer Fan Error.
System Error like water-clogging, capillary-clogging, refrigerant-leakage
→ Logic: After the Comp. Off every 1 minute restart Comp.
Blink Blink Blink BlinkOFF OFF
Y
Y
Y
Check
the Protection Logic
Check Stroke or
LED Blinking 2 times
(Stroke Trip)
Do not operate
Comp.?
Y
N
Compressor is operate
intermittently
Check Comp.
Replace
Compressor
N
Reset
Stroke Trip
occur?
Check the
leakage and cycle
Y
Recheck
Check
Harness connection
Repair Harness
N
N
- 16 -
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3. What to do per LED Blinking and Trip protection logic
(3) No Connect Trip and LED Blinking 3 times (No Connection Trip)
→ Purpose : Prevention Over-Voltage and Over-Current by detecting connection error check.
Harness connection failure between PCB, Comp, Capacitor.
Comp. insulation breakdown.
Logic : After the Comp. Off every 40 seconds restart Comp.
Blink Blink Blink BlinkBlinkBlink OFF OFF
Y
Y
Check
the Protection Logic
Check
No Connect or
LED blinking 3 times
(No Connect Trip)
Do not operate
Comp.?
Y
N
Check Comp.
Replace
Compressor
N
Reset
No Connect Trip
occur?
Replace PCB
Y
Recheck
Check
Harness connection
Repair Harness
N
N
- 17 -
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3. What to do per LED Blinking and Trip protection logic
(4) Over Voltage Trip and LED Blinking 4 times (Over Voltage Trip)
→ Purpose : Protection the PCB by Over Voltage
Cause : Applying the Over Voltage to DC Link(450VDC or higher)
Logic: Restart every 90 seconds after compressor off.
Blink Blink Blink Blink BlinkBlinkBlink Blink OFF OFF
LED 4 Blinks
Replace PCB
LED 4 Blinks
About 5minReset
Test Mode
1 Input
- 18 -
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3. What to do per LED Blinking and Trip protection logic
(5) L/Piston Trip and LED Blinking 5 times (Locked Piston)
→ Purpose : Detect locked piston.
Cause : Oil shortage of the cylinder, Cylinder or Piston damage, clogging the discharge,
Comp. internal debris.
Logic : After the Comp. Off every 2 min 30 seconds restart Comp.
Blink Blink BlinkBlink Blink OFF
Check
the Protection Logic
Check the L/Piston or
LED blinking 5 times
(Locked Piston Trip)
Do not operate
Comp.?
Recheck
Reset
Do not operate
Comp.?
N
Y
Replace
Compressor
Clogging the Cycle?
N
Y
Repair
Sealed system
- 19 -
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3. What to do per LED Blinking and Trip protection logic
(6) Current Trip and LED Blinking 6 times (Current Trip)
→ Purpose : Protection Over-Current(Over-Load)
Cause : Abnormally ambient temperature(Over 43°C), Abnormally conditions like
Shield machine room etc. Condenser Fan failure, Comp. failure, PCB failure
(IPM breakdown)
Oil shortage of the cylinder, Cylinder or Piston damage, clogging the discharge,
Comp. internal debris.
Logic : After the Comp. Off every 6 minutes restart Comp.
Blink Blink Blink BlinkBlinkBlink OFF
Check
the Protection Logic
Check the Current or
LED blinking 6 times
(Current Trip)
Compressor is operate
intermittently
Y
Check the
Compressor failure
Replace
Compressor
N
Reset
Y
Current trip
occur?
Check the
leakage and cycle
Recheck
Check the
PCB output
Y
Replace PCB
N
N
N
N
Y
Replace
Compressor
Repair
Sealed system
Y
Do not operate
Comp.?
Clogging the Cycle?
N
Y
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Copyright © 2018-2019 SIGNATURE KITCHEN SUITE.
All rights reserved. Only training and service purposes.
3. What to do per LED Blinking and Trip protection logic
(7) IPM Fault Trip and LED Blinking 7 times (IPM Fault)
→ Purpose : Protection Over-Current by failure IPM(IPM short)
Cause : IPM Short and failure
Logic : After the Comp. Off every 20 seconds restart Comp.
Blink Blink Blink
Blink Blink
BlinkBlink OFF
LED 7 Blinks
Replace PCB
LED 7 Blinks
About 5minReset
Test Mode
1 Input
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LG SKSWK245LS Owner's manual

Category
Fridges
Type
Owner's manual
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