LG D5988B Manual de usuario

Website:http://www.LGservice.com [For U.S.A]

www.lg.ca [For Cana a]

ELECTRIC & GAS DRYER

SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY TO DIAGNOSE

TROUBLES CORRECTLY BEFORE OFFERING SERVICE.

MODEL :

DLE5977W/DLG5988W

DLE5977B/DLG5988B

DLE3777W/DLG3788W

Feb. 2004 PRINTED IN KOREA

P/No.:3828EL3005A

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 gui e is inten e for use by in ivi uals possessing a equate backgroun s

of electrical, electronic, an mechanical experience. Any attempt to repair a major appliance may result in

personal injury an property amage. 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 groun ing wires, screws, straps, clips, nuts, or washers use to complete a path to groun are

remove for service, they must be returne to their original position an properly fastene .

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 groun connection point or unpainte

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 groun connection

point or unpainte metal in the appliance.

Avoi touching electronic parts or terminal contacts; han le electronic control assembly by e ges only.

When repackaging faile electronic control assembly in anti-static bag, observe above instructions.

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. SPECIFICATIONS ..................................................................................................................4

2. FEATURES AND BENEFITS .................................................................................................... 5

3. INSTALLATION INSTRUCTIONS ........................................................................................... 6

4. DRYER CYCLE PROCESS..................................................................................................... 12

5. COMPONENT TESTING INFORMATION ..............................................................................13

6. MOTOR DIAGRAM AND SCHEMATIC..................................................................................16

7. CONTROL LAY - OUT .........................................................................................................17

8. WIRING DIAGRAM ............................................................................................................18

9. DIAGNOSTIC TEST .............................................................................................................19

9-1. TEST 1 120VAC ELECTRICAL SUPPLY..........................................................................20

9-2. TEST 2 THERMISTOR TEST --- MEASURE WITH POWER OFF .......................................21

9-3. TEST 3 MOTOR TEST ................................................................................................22

9-4. TEST 4 MOISTURE SENSOR ....................................................................................23

9-5. TEST 5 DOOR SWITCH TEST ...................................................................................24

9-6. TEST 6 HEATER SWITCH TEST - ELECTRIC TYPE...........................................................25

9-7. TEST 7 GAS VALVE TEST - GAS TYPE .........................................................................26

10. CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) ...............................................27

11. DISASSEMBLY INSTRUCTIONS .........................................................................................29

12. EXPLODED VIEW ..............................................................................................................36

12-1. CONTROL PANEL & PLATE ASSEMBLY .......................................................................36

12-2. CABINET & DOOR ASSEMBLY...................................................................................37

12-3-1. DRUM & MOTOR ASSEMBLY : ELECTRIC TYPE ........................................................38

12-3-2. DRUM & MOTOR ASSEMBLY : GAS TYPE ...............................................................39

13. REPLACEMENT PARTS LIST

CONTENTS

Equipped

Temperature

Moisture

Equipped

Adopted

Equipped

27" x 42

3/4" x 28 1/3"

29 1/2" x 44 3/4" x 30 3/4"

Hig / Low / Off

Equipped

Stainless Steel

Equipped

Sensor

126 / 144

Door Trim

Top Plate

Color

Blue W iteC romate + STS Deco

PaintedPorcelain

Blue W ite

120V / 240V 60Hz (26A)

POWER SUPPLY

LAMP

HEATER

MOTOR

7.3 cu.ft.

Electronic

15W (125mA)

GAS VALVE

13W (110mA) X 2

5400W (22.5A)

250W (4.5A)

ELECTRICITY

CONSUMPTION

Blue W ite Black

Material &

Finis es

DLE3777WDLE5977W

DLG3788WDLG5988W

DLE5977B

DLG5988B

ITEM

C ild Lock

Reversible Door

Interior Lig t

Product (WXHXD)

Packing (WXHXD)

Audible End of Cycle Beeper

Dryer Rack

Drum

No. of Dry Levels

No. of Dry Option

No. of Programs

DRUM CAPACITY

CONTROL TYPE

No. of Temperature Controls

Weig t (lbs): Net / Gross

AC 120V

( GAS TYPE)

AC 240V

( ELECTRIC TYPE)

T ermistor

Electro sensor

AC 120V

REMARK

SPECIFICATIONS

FEATURES AND BENEFITS

DLE5977W/DLG5988W/DLE5977B/DLG5988B

DLE3777W/DLG3788W

INSTALLATION INSTRUCTIONS

Use the instructions at this section if your home has

a 3-wire receptacle (NEMA type 10-30R) and you

will be using a UL listed, 120/240 volt minimum,

30 amp, dryer power supply cord.

Review the following options to determine the appropriate electrical connection

for your home:

3-wire receptacle

(NEMA type10-30R)

If this type is available at your home. you will be

connecting to a fused disconnect or circuit breaker

box

4 wire direct

Important : The places where a 4-wire connection

is needed are , for example, mobile homes and areas

that local codes do not admit the use of 3-wire

connections.

At least, 5ft(1.52m) of extra length is required in

order for dryer to be able to be moved.

Peel 5 in (12.7cm) of external covering from end

of cable, leaving bare ground wire at 5 in (12.7cm).

Cut 11/2 in. (3.8cm) from 3 remaining wires. Peel

insulation back 1in. (2.5cm). Shape ends of wires

like a hook.

Then, put the hooked shape end of the wire under

the screw of the terminal block(hooked end facing

rightward) and pinch the hook together and screw

tightly.

4-wire connection : Direct wire

Use the instructions at this section if your home has

a 4-wire receptacle (NEMA type 14-30R) and you

will be using a UL listed, 120/240 volt minimum,

30 amp, dryer power supply cord.

4-wire receptacle

(NEMA type14-30R)

(12.7 cm)

31/2"

(8.6 cm)

(2.5 cm)

(12.7 cm)

(2.5 cm)

3V2"

(8.9 cm)

If this type is available at your home. you will be

connecting to a fused disconnect or circuit breaker

box

1.Take off center terminal block screw

2.Take off appliance neutral ground wire(white) from

external ground connector screw. Fasten it under

center, silver colored terminal block screw.

3.Connect ground wire(green) of power supply cable

to external ground conductor screw. Tighten screw.

3 wire direct

(12.7 cm)

31/2"

(8.6 cm)

(2.5 cm)

(12.7 cm)

(2.5 cm)

3V2"

(8.9 cm)

(12.7 cm)

31/2"

(8.6 cm)

(2.5 cm)

(12.7 cm)

(2.5 cm)

3V2"

(8.9 cm)

a. External ground connector

b. Green copper wire of power supply cord

c. 3/4 in. (1.9cm) UL-listed strain relief

d. Center silver-colored terminal block screw

e. Neutral grounding wire(white)

f. Neutral wire(white or center wire)

4. Put the hooked shape ends of the wire under the

screw of the terminal block(hooked end facing

rightward) and squeeze the hook together and screw

tightly.

5. Put the hooked shaped ends of the other power

supply cable wires under the outer terminal block

screws(hooked end facing right) and squeeze the

hooked ends together and screw tightly.

6. Tighten strain relief screws.

7. Place the tab of terminal block cover into slot of

dryer rear panel. Make sure cover with screw.

Important : The places wherea 4-wire connection is

needed are mobile homes and areas that local codes

do not admit the use of 3-wire connections.

At least, 5ft(1.52m) of extra length is required for

dryer to be able to move.

Peel 5 in (12.7cm) of external covering from end

of cable, leaving bare ground wire at 5 in (12.7cm).

Cut 11/2 in. (3.8cm) from 3 remaining wires. Strip

insulation back 1in. (2.5cm). Shape ends of wires

into a hook shape.

1. Take off center terminal block screw

2. Put the hooked end of the neutral wire(white) of

power supply cable under the center screw of

terminal block). Squeeze the hooked end together

3. Connect the hooked ends of the other power

supply cable to the center screw of terminal block.

4. Screw strain relief tightly.

5. Place tab of terminal block cover into slot of

dryer rear panel. Make sure cover with screw.

Then, put the hooked shape end of the wire under

the screw of the terminal block(hooked end facing

rightward) and pinch the hook together and screw

tightly.

3-wire connection : Direct wire

(12.7 cm)

31/2"

(8.6 cm)

(2.5 cm)

(12.7 cm)

(2.5 cm)

3V2"

(8.9 cm)

a. External ground connector

b. Neutral grounding wire (white)

c. Center silver-colored terminal block screw

d. Neutral wire (white or center wire)

e. 3/4 in. (1.9 cm) UL-listed strain relief

a. 3-wire receptacle (NEMA type 10-30R)

b. 3-wire plug

c. Neutral prong

d. Spade terminals with up turned ends

e. 3/4 in. (1.9 cm) UL approved strain relief

f. Ring terminals

g. Neutral (white or center wire)

a. External ground connector

b. Neutral grounding wire (white)

c. Center silver-colored terminal block screw

d. Neutral wire (white or center wire)

e. 3/4 in. (1.9 cm) UL-listed strain relief

1. Loosen or remove center terminal block screw.

2. Connect neutral wire (white or center wire) of

power supply cord to the center, silver colored

terminal screw of the terminal block. Tighten

screw.

3. Connect the other wires to outer terminal block

screws. Tighten screws.

4. Tighten strain relief screws.

5. Insert tab of terminal block cover into slot of

dryer rear panel. Secure cover with hold-down

screw.

lf your local codes or ordinances permit the

connection of a frame-grounding conductor to the

neutral wire, use these instructions. If your local

codes or ordinances do not allow the connection of

a frame-grounding conductor to the neutral wire,

use the instructions under Section 3: Optional

3-wire connection.

Option 1: 3-Wire Connection with

a Power Supply Cord

a. 4-wire receptable (NEMA type 14-30R)

b. 4-pront plug

c. Ground prong

d. Neutral Prong

e. Spade terminals with upturned ends

f. 3/4 in. (1.9 cm) UL approved strain relief

g. Ring terminals

a. External ground connector - Dotted line

shows position of NEUTRAL ground wire

before being moved to center terminal block

screw

b. Center silver-colored terminal block screw

c. White wire of harness

1. Remove center terminal block screw.

2. Remove appliance neutral ground wire (white)

from external ground connector screw. Fasten it

under the center, silver colored terminal block

screw.

3. Connect ground wire (green or bare) of power

supply cable to external ground conductor screw.

Tighten screw.

4. Connect neutral wire (white or center wire) of

power supply cord to the center, silver colored

terminal screw of the terminal block.

a. External ground connector

b. Green or bare copper wire of power supply cord

c. 3/4 in. (1.9 cm) UL-listed strain relief

d. Center silver-colored terminal block screw

e. Neutral grounding wire (white)

f. Neutral wire (white)

5. Connect the other wires to outer terminal block

screws. Tighten screws.

6. Tighten strain relief screws.

7. Insert tab of terminal block cover into slot of

dryer rear panel. Secure cover with hold-down

screw.

• lf your local codes or ordinances do not allow the

use of a 3 wire connection, or you are installing

your dryer in a mobile home, you must use a 4-

wire connection.

Option 2: 4-wire connection with a

Power supply cord.

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