LG LRSXC2706 Series Bedienungsanleitung

CAUTION

PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS

BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR .

REFRIGERATOR

SERVICE MANUAL

Any reproduction, duplication, distribution (including by way of email, facsimile or other electronic means), publication,

consent of the LG Electronics 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.

MODEL :

LRSXC2706*, LRSXC2306*

GS75S**, GS77** VS27L**, GS66S**

-2-

CONTENTS

reserved. Only training and service purposes

WARNINGS AND PRECAUTIONS FOR SAFETY ....................................................................................... 3

SERVICING PRECAUTIONS ................................................................................................................................... 4

COMP TRIP SUMMARY

............................................................................................................................................ 5

TROUBLE SHOOTING ............................................................................................................................................... 6

HEAVY REPAIR METHOD OF REFRIGERATOR BY APPLICATION OF REFRIGERANT

SPECIFICATION ........................................................................................................................................................

................

CIRCUIT DIAGRAM ................................................................................................................................................... 28

PCB PICTURE ................................................................................................................................................................ 29

TROUBLE SHOOTING WITHOUT ERROR DISPLAY ............................................................................. 57

TROUBLE DIAGNOSIS .............................................................................................................................................. 74

HOW TO INSTALL REFRIGERATOR ................................................................................................................ 84

HOW TO SERVICE DOOR DISPLAY

.............................................................................................................. 90

HOW TO SERVICE FUNNEL ASSEMBLY

....................................................................................................... 91

EXPLODED VIEW .......................................................................................................................................................... 93

TROUBLE SHOOTING ............................................................................................................................................... 30

-3-

WARNINGS AND PRECAUTIONS FOR SAFETY

reserved. Only training and service purposes

Please observe the following safety precautions in

order to use safely and correctly the refrigerator and to

prevent accident and danger during repair.

1. Be care of an electric shock. Disconnect power

cord from wall outlet and wait for more than three

minutes before replacing PWB parts. Shut off the

power whenever replacing and repairing electric

components.

2. When connecting power cord, please wait for more

than five minutes after power cord was disconnected

from the wall outlet.

3. Please check if the power plug is pressed down by

the refrigerator against the wall. If the power plug

was damaged, it may cause fire or electric shock.

4. If the wall outlet is over loaded, it may cause fire.

Please use its own individual electrical outlet for the

refrigerator.

5. Please make sure the outlet is properly earthed,

particularly in wet or damp area.

6. Use standard electrical components when replacing

them.

7. Make sure the hook is correctly engaged.

Remove dust and foreign materials from the housing

and connecting parts.

8. Do not fray, damage, machine, heavily bend, pull

out, or twist the power cord.

9. Please check the evidence of moisture intrusion

in the electrical components. Replace the parts or

mask it with insulation tapes if moisture intrusion was

confirmed.

10. Do not touch the icemaker with hands or tools to

confirm the operation of geared motor.

11. Do not let the customers repair, disassemble, and

reconstruct the refrigerator for themselves. It may

cause accident, electric shock, or fire.

12. Do not store flammable materials such as ether,

benzene, alcohol, chemicals, gas, or medicine in

the refrigerator.

13. Do not put flower vase, cup, cosmetics, chemicals,

etc., or container with full of water on the top of the

refrigerator.

14. Do not put glass bottles with full of water into the

freezer. The contents shall freeze and break the

glass bottles.

15. When you scrap the refrigerator, please disconnect

the door gasket first and scrap it where children are

not accessible.

-4-

SERVICING PRECAUTIONS

reserved. Only training and service purposes

-5-

Comp Trip Summary

reserved. Only training and service purposes

■Protection Logic

Recipro BLDC

(BMA & BMG series)

Linear Compressor

(Before FLA150NBMA)

Linear Compressor

(After FLA150NBMA)

Protection LED Purpose Trip name LED Purpose Trip name LED Purpose

FCT0

(Short Circuit) 1

Micom Sensing

Circuit problem

decision

FCT0 1

Micom Sensing

Circuit problem

decision

FCT0 1

Micom Sensing

Circuit problem

decision

OverVoltage Trip 2

DC Link

OverVoltage

Detect

Stroke Trip 2 Over Stroke

Detect Stroke Trip 2 Stroke error

detect

No Connect Trip 3 Comp Harness

no connect deteft

OverVoltage Trip 4

DC Link

OverVoltage

Detect

Pistion Lock 5 Piston Lock

detect Pistion Lock 5 Piston Lock

detect

Over Current

Detection 6Over Current

detect

Current

Detection 6Over Current

detect

Current

Detection 6Over Current

detect

Fault(Fo) 7

IPM armshort

detect

(IPM Fault

detect)

Fault(Fo) 7

IPM armshort

detect

(IPM Fault

detect)

Fault(Fo) 7

IPM armshort

detect

(IPM Fault

detect)

Communication

Error 8Communication

Error

Communication

Error 8Communication

Error

Communication

Error 8Communication

Error

Remark: When 1 trip occurs, keep it

permanently until power OFF

After ‘19 Year Model, When the

trip occurs, the LED lights the

same as before. Comp. OFF signal

(intermittent, defrost) LED is initialized.

Remark: When 1 trip occurs, keep it

permanently until power OFF

Remark: When the trip occurs, the

LED lights the same as before. Comp.

OFF signal (intermittent, defrost) LED

is initialized.

-6-

TROUBLE SHOOTING

reserved. Only training and service purposes

Comp Operation Defect

If the Comp & Fan is not operated then input the test mode and check the comp condition.

(Operation or not)

Check the LED Blinking

(Information about LED blinking is following

next page)

If It is normal condition then

LED is not work.

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-9-

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