LG CDE3379WD Manual de usuario

ELECTRIC & GAS DRYER

SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY IN ORDER TO

PROPERLY DIAGNOSE PROBLEMS AND TO SAFELY

PROVIDE QUALITY SERVICE ON THESE DRYERS.

MODEL : CDE3379WD/CDG3389WD

CDE3379WN/CDG3389WN

NOV. 2006 PRINTED IN KOREA

P/No.:3828EL3005K

To avoid personal injury, disconnect power before servicing this product. If electrical power is required

for diagnosis or test purposes, disconnect the power immediately after performing the necessary checks.

WARNING

WHAT TO DO IF YOU SMELL GAS:

IMPORTANT SAFETY NOTICE

The information in this service guide is intended for use by individuals possessing skill and experience in

electrical, electronic, and mechanical appliance repair. Any attempt to repair a major appliance may result

in personal injury and property damage. The manufacturer or seller cannot be responsible for the

interpretation of this information, nor can it assume any liability in connection with its use.

RECONNECT ALL GROUNDING DEVICES

If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are

removed for service, they must be returned to their original position and properly fastened.

IMPORTANT

Electrostatic Discharge (ESD)

Sensitive Electronics

ESD problems are present everywhere. ESD may damage or weaken the electronic

control assembly. The new control assembly may appear to work well after repair is

finished, but failure may occur at a later date due to ESD stress.

Use an anti-static wrist strap. Connect wrist strap to green ground connection point or unpainted

metal in the appliance. - OR -

Touch your finger repeatedly to a green ground connection point or unpainted metal

in the appliance.

Before removing the part from its package, touch the anti-static bag to a green ground connection

point or unpainted metal in the appliance.

Avoid touching electronic parts or terminal contacts. Handle electronic control assembly by edges only.

Observe above instructions when repackaging failed electronic control assembly in an anti-static bag.

■Do not try to light a match, or cigarette, or turn on

any gas or electrical appliance.

■Do not touch any electrical switches. Do not use any

phone in your building.

■Clear the room, building or area of all occupants.

■Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions

carefully.

■If you cannot reach your gas supplier, call the fire

department.

1. IMPORTANT SAFETY INSTRUCTIONS..................................................................................................................4

2. SPECIFICATIONS .............................................................................................................................................10

3. FEATURES AND BENEFITS ............................................................................................................................... 12

4. INITIAL STEPS FOR INSTALLING YOUR DRYER ...................................................................................................13

5. INSTALLATION INSTRUCTIONS ........................................................................................................................18

6. ELECTRICAL REQUIREMENTS FOR ELECTRIC DRYERS .........................................................................................20

7. ELECTRICAL REQUIREMENTS FOR GAS DRYERS ................................................................................................25

8. GAS REQUIREMENTS AND INSTRUCTIONS......................................................................................................26

9. EXHAUST REQUIREMENTS AND MAINTENANCE..............................................................................................27

10. DRYER CYCLE PROCESS ................................................................................................................................ 29

11. COMPONENT TESTING INFORMATION .........................................................................................................30

12. MOTOR DIAGRAM AND SCHEMATIC ............................................................................................................33

13. CONTROL LAYOUT .......................................................................................................................................34

14. WIRING DIAGRAM .......................................................................................................................................35

15. DIAGNOSTIC TEST.........................................................................................................................................36

15-1. TEST 1 120VAC ELECTRICAL SUPPLY ...................................................................................................37

15-2. TEST 2 THERMISTOR TEST ...................................................................................................................40

15-3. TEST 3 MOTOR TEST ..........................................................................................................................41

15-4. TEST 4 MOISTURE SENSOR ...............................................................................................................42

15-5. TEST 5 DOOR SWITCH TEST ..............................................................................................................43

15-6. TEST 6 HEATER SWITCH TEST - ELECTRIC MODEL ................................................................................44

15-7. TEST 7 GAS VALVE TEST - GAS MODEL ..............................................................................................45

15-8. TEST 8 SEMI CONDUCTOR .................................................................................................................46

16. CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) ............................................................................47

17. DISASSEMBLY INSTRUCTIONS .......................................................................................................................49

18. EXPLODED VIEW ...........................................................................................................................................56

18-1. CONTROL PANEL & PLATE ASSEMBLY...................................................................................................56

18-2. CABINET & DOOR ASSEMBLY...............................................................................................................57

18-3-1. DRUM & MOTOR ASSEMBLY: ELECTRIC MODEL .................................................................................58

18-3-2. DRUM & MOTOR ASSEMBLY: GAS MODEL ........................................................................................59

19. REPLACEMENT PARTS LIST..............................................................................................................................60

20. MAINTENANCE.............................................................................................................................................64

21. TROUBLESHOOTING GUIDE...........................................................................................................................65

CONTENTS

IMPORTANT SAFETY INSTRUCTIONS

• Read all instructions before using the dryer.

• Before use, the dryer must be properly installed as

described in this manual.

• Do not place items exposed to cooking oils in your

dryer. Items contaminated with cooking oils may

contribute to a chemical reaction that could cause a

load to catch fire.

Do not dry articles that have been previously cleaned in,

washed in, soaked in, or spotted with gasoline, dry-

cleaning solvents, other flammable or explosive

substances as they give off vapors that could ignite or

explode.

• Do not reach into the dryer if the drum is moving.

• Do not repair or replace any part of the dryer or attempt

any servicing unless specifically recommended in this

Use and Care Guide or in published user-repair

instructions that you understand and have the skills to

carry out.

• Do not tamper with the controls.

• Before the dryer is removed from service or discarded,

remove the door to the drying compartment.

• Do not allow children to play on or in the dryer.

Close supervision of children is necessary when the

dryer is used near children.

• Do not use fabric softeners or products to eliminate

static unless recommended by the manufacturer of the

fabric softener or product.

• Do not use heat to dry articles containing foam rubber

or similarly textured rubber-like materials.

• Keep area around the exhaust opening and adjacent

surrounding areas free from the accumulation of lint,

dust, and dirt.

• The interior of the dryer and exhaust vent should be

cleaned periodically by qualified service personnel.

• Do not install or store the dryer where it will be exposed

to the weather.

• Do not reach into the dryer while parts are moving.

• Always check the inside of the dryer for foreign objects

• Clean lint screen before or after each load.

Your Safety and the safety of others are very important.

BASIC SAFETY PRECAUTIONS

DANGER You can be killed or seriously injured if you don’t Immediately follow instructions.

You can be killed or seriously injured if you don’t follow instructions.

To reduce the risk of fire, electric shock, or injury to persons when using your

appliance, follow basic precautions, including the following:

WARNING

We have provided many important safety messages in this manual and on your appliance.

Always read and obey all safety messages.

All safety messages will tell you what the potential hazard is, tell you how the reduce the

chance of injury, and tell you what can happen if the instructions are not followed.

This is the safety alert symbol.

This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol and either the word DANGER or WARNING.

These words mean:

READ ALL INSTRUCTIONS BEFORE USE

For your safety, the information in this manual must be followed to minimize the risk of fire

or explosion, electric shock, or to prevent property damage, personal injury, or loss of life.

WARNING

SAVE THESE INSTRUCTIONS

• Do not store or use gasoline or other

flammable vapors and liquids in the vicinity

of this appliance or any other appliance.

• Installation and service must be performed

by a qualified installer, service agency, or

the gas supplier.

READ ALL INSTRUCTIONS BEFORE USE

For your safety, the information in this manual must be followed to minimize the risk of

fire or explosion, electric shock, or to prevent property damage, personal injury, or loss

of life.

WARNING

BASIC SAFETY PRECAUTIONS

To reduce the risk of fire, electric shock, or injury to persons when using your

appliance, follow basic precautions, including the following:

WARNING

GROUNDING INSTRUCTIONS

This appliance must be grounded.

In the event of malfunction or breakdown,

grounding will reduce the risk of electric shock

by providing a path of least resistance for

electric current. This appliance must be

equipped with a cord having an equipment-

grounding conductor and a grounding plug.

The plug must be plugged into an appropriate

outlet that is properly installed and grounded

in accordance with all local codes and

ordinances.

WARNING -

Improper connection of the

equipment- rounding conductor can result in a

risk of electric shock. Check with a qualified

electrician or service person if you are in doubt

as to whether the appliance is properly

grounded.

Do not modify the plug provided with the

appliance.

If it will not fit the outlet, have a proper outlet

installed by a qualified electrician.

This appliance must be connected to a

grounded metal, permanent wiring system or an

equipment-grounding conductor must be run

with the circuit conductors and connected to the

equipment-grounding terminal or lead on the

appliance.

1. Do not try to light a match or cigarette, or

turn on any gas or electrical appliance.

2. Do not touch any electrical switches.

Do not use any phone in your building.

3. Clear the room, building, or area of all

occupants.

4. Immediately call your gas supplier from a

neighbor’s phone. Follow the gas supplier’s

phone. Follow the gas supplier’s

instructions carefully.

5. If you cannot reach your gas supplier, call

the fire department.

This act requires the governor of California to publish a list of substances known to the state

to cause cancer, birth defects, or other reproductive harm and requires businesses to warn

customers of potential exposure to such substances.

Gas appliances can cause minor exposure to four of these substances, namely benzene,

carbon monxide, formaldehyde, and soot, caused primarily by the incomplete combustion of

natural gas or LP fuels.

Properly adjusted dryers will minimize incomplete combustion. Exposure to these substances

can be minimized further by properly venting the dryer to the outdoors.

WHAT TO DO IF YOU SMELL GAS

CALIFORNIA SAFE DRINKING WATER AND TOXIC ENFORCEMENT ACT

To reduce the risk of fire, electric shock, or injury to persons when using the

appliance, follow basic precautions, including the following:

WARNING

To reduce the risk of fire, electric shock, or injury to persons when using the

appliance, follow basic precautions, including the following:

WARNING

READ ALL INSTRUCTIONS BEFORE USE

For your safety, the information in this manual must be followed to minimize the risk of

fire or explosion, electric shock, or to prevent property damage, personal injury, or loss

of life.

WARNING

• Properly ground dryer to conform with

all governing codes and ordinances.

Follow details in the installation

instructions.

Electrical shock can result if the dryer is not

properly grounded.

• Before use, the dryer must be properly

installed as described in this manual.

Electrical shock can result if the dryer is not

properly grounded.

• Install and store the dryer where it will

not be exposed to temperatures below

freezing or exposed to the weather.

All repairs and servicing must be performed

by an authorized servicer unless specifically

recommended in this Owner's Guide.

Use only authorized factory parts.

Failure to follow this warning can cause

serious injury,fire, electrical shock or death.

• Do not install the washer in humid

spaces to reduce the risk of electric

shock.

Failure to follow this warning can cause

serious injury,fire, electrical shock, or death.

• Connect to a properly rated, protected,

and sized power circuit to avoid

electrical overload.

Improper power circuit can melt, creating

electrical shock and/or fire hazard.

• Remove all packing items and dispose

of all shipping materials properly.

Failure to do so can result in death,

explosion, fire or burns.

• Place dryer at least 18 in. above the floor

for a garage installation.

Failure to do so can result in death,

explosion, fire, or burns.

READ ALL INSTRUCTIONS BEFORE USE

SAFETY INSTRUCTION FOR INSTALLATION

To reduce the risk of fire, electric shock, or injury to persons when using the

appliance, follow basic precautions, including the following:

WARNING

For your safety, the information in this manual must be followed to minimize the risk of

fire or explosion, electric shock, or to prevent property damage, personal injury, or loss

of life.

WARNING

Exhaust/Ducting:

• Gas dryers MUST be exhausted to the

outside.

Failure to follow these instructions can result

in fire or death.

• The dryer exhaust system must be

exhausted to the outside of the dwelling.

If the dryer is not exhausted outdoors, some

fine lint and large amounts of moisture will

be expelled into the laundry area. An

accumulation of lint in any area of the home

can create a health and fire hazard.

• Use only rigid metal or flexible metal 4in.

Diameter ductwork inside the dryer

cabinet or for exhausting to the outside.

Use of plastic or other combustible ductwork

can cause a fire. Punctured ductwork can

cause a fire if it collapses or becomes

otherwise restricted in use or during

installation.

• Ductwork is not provided with the dryer,

and you should obtain the necessary

ductwork locally. The end cap should

have hinged dampers to prevent back

draft when the dryer is not in use.

Failure to follow these instructions can result

in fire or death.

• The exhaust duct must be 4 in. (10 cm)

in diameter with no obstructions. The

exhaust duct should be kept as short as

possible. Make sure to clean any old

ducts before installing your new dryer.

Failure to follow these instructions can result

in fire or death.

• Rigid or semi rigid metal ducting is

recommended for use between the dryer

and the wall. In special installations when

it is impossible to make a connection

with the above recommendations, a UL-

listed flexible metal transition duct may

be used between the dryer and wall

connection only. The use of this ducting

will affect drying time.

Failure to follow these instructions can result

in fire or death.

• DO NOT use sheet metal screws or other

fasteners which extend into the duct that

could catch lint and reduce the efficiency

of the exhaust system. Secure all joints

with duct tape. For complete details,

follow the Installation Instructions.

Failure to follow these instructions can result

in fire or death.

READ ALL INSTRUCTIONS BEFORE USE

SAFETY INSTRUCTION FOR INSTALLATION (cont.)

For your safety, the information in this manual must be followed to minimize the risk of

fire or explosion, electric shock, or to prevent property damage, personal injury, or loss

of life.

WARNING

• Do not, under any circumstances, cut or

remove the ground prong from the power

cord.

To prevent personal injury or damage to the

dryer, the electrical power cord must be

plugged into a properly grounded

• For personal safety, this dryer must be

properly grounded.

Failure to do so can result in electrical shock

or injury

• Refer to the installation instructions in

this manual for specific electrical

requirements for your model.

Failure to follow these instructions can

create electrical shock and/or a fire hazard.

• This dryer must be plugged into a

properly grounded outlet.

Electrical shock can result if the dryer is not

properly grounded.

• Have the wall outlet and circuit checked

by a qualified electrician to make sure

the outlet is properly grounded.

This will prevent shock hazard and assure

stability during operating.

• The dryer should always be plugged into

a dedicated electrical outlet which has a

voltage rating that matches the rating

plate.

This provides the best performance and also

prevents overloading house wiring circuits

which could cause a fire hazard from

overheated wires.

• Never unplug your dryer by pulling on

the power cord. Always grip plug firmly

and pull straight out from the outlet.

The power cord can be cut by any

movement of the core, resulting in electrical

shock.

• Repair or replace immediately all power

cords that have become frayed or

otherwise damaged. Do not use a cord

that shows cracks or abrasion damage

along its length or at either end.

These power cords can melt, creating

electrical shock and/or fire hazard.

• When installing or moving the dryer, be

careful not to pinch, crush, or damage

the power cord.

This will prevent injury and damage to the

dryer from fire and electrical shock.

READ ALL INSTRUCTIONS BEFORE USE

SAFETY INSTRUCTION FOR CONNECTING ELECTRICITY

To reduce the risk of fire, electric shock or injury to persons when using the appliance,

follow basic precautions, including the following :

WARNING

For your safety, the information in this manual must be followed to minimize the risk of

fire or explosion, electric shock, or to prevent property damage, personal injury, or loss

of life.

WARNING

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