DOWNLOAD LG LWB0760ACG / LWB0811CCL Service Manual ↓ Size: 1.26 MB | Pages: 36 in PDF or view online for FREE

—25—

If cracked, out of balance, or partially missing,
replace it.

If cracked, out of balance, or partially missing,
replace it.

Tighten it.

If knocking sounds continue when running or loose,
replace the motor. If the motor hums or noise
appears to be internal while running, replace motor.

Check voltage. See the limits on the preceding page.
If not within limits, call an electrician.

Check the wire connections ; if loose, repair or
replace the terminal. If the wires are disconnected,
refer to wiring diagram for identification, and replace
the wires. Check the wire connections ; if not
according to the wiring diagram, correct the
connections.

Check for continuity, refer to the wiring diagram for
terminal identification. Replace the switch if the
circuit is open.

Check the position of knob. If not at the coldest
setting, advance the knob to this setting and restart
the unit.

Check the continuity of the thermostat. Replace the
thermostat if the circuit is open.

Check the capacitor.
Replace if not within ±10% of manufacturer's rating,
replace if shorted, open, or damaged.

Check the compressor for open circuit or graond. If
open or grounded, replace the compressor.

Check the compressor overload if externally
mounted.
Replace if open. (If the compressor temperature is
high, remove the overload, cool and retest.)

Check the voltage. See the limits on the preceding
page. If voltage is not within these limits, call an
electrician.

Check overload, if externally mounted.
Replace if open. (If the compressor temperature is
high, remove the overload, cool, and retest.)

Fan

Blower

Loose set screw

Worn bearings

Voltage

Wiring

Rotary

Thermostat

Capacitor (Discharge
capacitor before
servicing.)

Compressor

Overload

Voltage

Overload

Fan motor noise.

Compressor will not run,
fan motor runs.

Compressor cycles on
overload.

—27—

MOTOR

COMP

WIRING DIAGRAM

3854AR3552E

POWER INPUT

ROTARY SWITCH

BK(BR)

WH(BL)

(Ribbed)

(Plain)

GN(GN/YL)

H

BK

RD

BL

BL

BK

BK

BK

BK

RD

RD

BL

BK

RD

BL

BK

RD

BL

YL

YL

L

M

OR(BR)

OR(BR)

T/BLOCK

OR

THERMOST

A

T

CAPACITOR

F

C

C

H

BR

R

S

C

OLP

P.T.C

MODE

SWITCH

WH

WH

1

2

3

1

2

3

4

5

6

7

8

1 

2

12

10

13

9

3

4

11

16
15

5

14

6

7 8

17

S: Service Parts
O: Non Service Parts

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

POWER CORD ASS'Y

MOTOR ASS'Y

COMPRESSOR

ROTARY SWITCH

THERMOSTAT

CAPACITOR, SH

CONNECTOR ASS'Y (FOR COMP)

CONNECTOR ASS'Y (COMP)

CONNECTOR ASS'Y (FOR MOTOR)

T/BLOCK

OVERLOAD PROTECTOR

CONDUCTOR

CONDUCTOR

CONDUCTOR

CONDUCTOR

ROCKER SWITCH

(PTC)

2H00677R

4681A20010A

5416A20004A

2H00154H

2H01109H

6120AR2359S

6631AR2667H

6631AR2668F

6877A20001C

3H00390B

6750U-L030A

6862AR2348D

6862AR2348G

6862AR2348E

6862AR2348F

2H01316C

(2C00147B)

—28—

2H00677R

4681A20010A

5614A20004A

2H00154H

2H01109H

6120AR2359S

6631AR2667H

6631AR2668F

6877A20001C

6750U-L030A

6862AR2187K

(2C00147B)

POWER CORD ASS'Y

MOTOR ASS'Y

COMPRESSOR

ROTARY SWITCH

THERMOSTAT

CAPACITOR, SH

CONNECTOR ASS'Y (FOR COMP)

CONNECTOR ASS'Y (COMP)

CONNECTOR ASS'Y (FOR MOTOR)

OVERLOAD PROTECTOR

CONDUCTOR

(PTC)

1

2

3

4

5

6

7

8

9

10

11

12

1

1

1

1

1

1

1

1

1

1

1

1

S

S

S

S

S

S

S

S

S

S

S

S

3854AR3552D

WIRING DIAGRAM

COMP

MOTOR

THERMOSTAT

CAPACITOR

ROTARY SWITCH

POWER INPUT

1

2

3

4

5

6

7

8

  

F

C

H

H

BK

RD

BL

BK

RD

BL

L

M

OR(BR)

OR(BR)

YL

YL

BR

R

S

C

BR

OLP

BK

RD

BL

BK

BK

RD

RD

BL

P.T.C

BK(BR)

(Plain)

WH(BL)

(Ribbed)

GN(GN/YL)

1 

2

9

3

4

5

11

6

12

10

8

7

S: Service Parts
O: Non Service Parts

—29—

1

2

10

6

8

5

7

3

9

4

MOTOR

COMP

THERMOSTAT

ROCKER SWITCH

SYNC. M.

3854AR2330A
WIRING DIAGRAM

POWER INPUT

ROTARY SWITCH

CAPACITOR

H

BK

RD

BL

BK

RD
BL

BR

BR

BR

BR

BK

RD

OR(BR)

BL

BK

RD

BL

OR(BR)

YL

YL

YL

L

M

BK(BR)

GN(GN/YL)

WH(BL)

(Plain)

(Ribbed)

OLP

R

S

C

F

C

H

1

3

5

7

2

4

6

8

3H01652N/ 3H02255E/ 2H01580M/ 2H00677G/ 2H00677R

4681A20010C

4681A20010D

4681A20010B

4681A20010E

5416A20004B

5416AR2319G

5416A20004C

5416AR2379H

2H00154H

2H01109H

6120AR2194H

6120AR2194A

6120AR2194H

6120AR2194C

6877A20001C

6631AR2667H

6631AR2668F

6750U-L030A

6750U-L014A

6750U-L010A

POWER CORD ASS'Y

MOTOR ASSY

COMPRESSOR

ROTARY SWITCH

THERMOSTAT

CAPACITOR, SH

CONNECTOR ASS'Y (FOR MOTOR)

CONNECTOR ASS'Y (FOR COMP)

CONNECTOR ASS'Y (COMP)

OVERLOAD PROTECTOR

1

2

3

4

5

6

7

8

9

10

1

1

1

1

1

1

1

1

1

1

S

S

S

S

S

S

S

S

S

S

S: Service Parts
O: Non Service Parts