LG DLE7177WM User manual

U.S.A. Website: http://us.lgservice.com

Canadian Website: http://lg.ca

ELECTR C & GAS DRYER

SERVICE MANUAL

CAUTION

READ TH S MANUAL CAREFULLY N ORDER TO

PROPERLY D AGNOSE PROBLEMS AND TO SAFELY

PROV DE QUAL TY SERV CE ON THESE DRYERS.

MODEL : DLE8377WM/DLG8388WM

DLE8377NM/DLG8388NM

DLE7177WM/DLG7188WM

JAN. 2006 PR NTED N KOREA

P/No.:3828EL3005D

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

f 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.

When repackaging failed 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 .................................................................................................... 6

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

4. DRYER CYCLE PROCESS..................................................................................................... 13

5. COMPONENT TESTING INFORMATION ..............................................................................14

6. MOTOR DIAGRAM AND SCHEMATIC..................................................................................17

7. CONTROL LAYOUT ............................................................................................................18

8. WIRING DIAGRAM ............................................................................................................19

9. DIAGNOSTIC TEST .............................................................................................................20

9-1. TEST 1 120V AC ELECTRICAL SUPPLY ........................................................................21

9-2. TEST 2 THERMISTOR TEST .........................................................................................22

9-3. TEST 3 MOTOR TEST ................................................................................................24

9-4. TEST 4 MOISTURE SENSOR ....................................................................................25

9-5. TEST 5 DOOR SWITCH TEST ...................................................................................26

9-6. TEST 6 HEATER SWITCH TEST - ELECTRIC MODEL.......................................................27

9-7. TEST 7 GAS VALVE TEST - GAS MODEL.....................................................................28

9-8 TEST 8 SEMI-CONDUCTOR..........................................................................................29

10. CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) ...............................................30

11. DISASSEMBLY INSTRUCTIONS .........................................................................................32

12. EXPLODED VIEW ..............................................................................................................39

12-1. CONTROL PANEL & PLATE ASSEMBLY .......................................................................39

12-2. CABINET & DOOR ASSEMBLY...................................................................................40

12-3-1. DRUM & MOTOR ASSEMBLY: ELECTRIC MODEL......................................................41

12-3-2. DRUM & MOTOR ASSEMBLY: GAS MODEL ............................................................42

13. REPLACEMENT PARTS LIST.................................................................................................43

CONTENTS

SPECIFICATIONS

■Name: Electric and Gas Dryer

■Power supply: Please refer to the rating label regarding detailed

information.

■Size: 27 X 29.9 X 38.7 (inch)

■Dryer capacity: EC 7.3 cu.ft.

■Weight: 126( bs)

Specifications are subject to change by manufacturer.

■ ACCESSORIES

Dryer rack (1 each) Stacking kit (1 each)

Purchased Separately

Pedestal (1 each)

Purchased Separately

See page 6 See page 7 See page 8

Temperature

Moisture

High/Low/Off

Sensor

124/144

Door Trim

Top Plate

Color

Chromate

Por elain

Blue White Navy Blue

120V/240V 60Hz (26A)

POWER SUPPLY

LAMP

HEATER

MOTOR

7.3 u.ft.

Ele troni

GAS VALVE

5400W (22.5A)

250W (4.5A)

15 W (125mA)

13 W (110mA) x 2

ELECTRICITY

CONSUMPTION

Material &

Finish

DLE7177WM/DLE8377WM

DLG7188WM/DLG8388WM

DLE8377NM

DLG8388NM

ITEM

Child Lo k

Reversible Door

Interior Light

Produ t (WxHxD)

Pa king (WxHxD)

Sound levels

Dryer Ra k

Drum

No. of Dry Levels

No. of Dry Options

No. of Programs

DRUM CAPACITY

CONTROL TYPE

No. of Temperature Controls

Weight (lbs) - Net/Gross

AC 120V

(GAS MODEL)

AC 240V

(ELECTRIC MODEL)

Ele trode sensor

Thermistor

AC 120V

REMARK

Available

Avaiable

27" x 42 3/4" x 28 1/3"

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

Stainless Steel

FEATURES AND BENEFITS

NORMAL

20%

MEDIUM OFF MID

HIGH

SENSOR DRY

NORMAL

0:20

EST. TIME

REMAINING

INSTALLATION INSTRUCTIONS

Open the door.

Hold the dryer ra k

with both hands.

Put the dryer ra k into

the drum

Che k and be sure that the

front of the ra k is properly

seated behind the lint filter.

123

Dryer Rack Installation Instructions

To ensure safe and secure installation, please observe the instructions below.

Place the washer firmly on a stable, even

and solid floor as product installation

instructions describe in the owner’s

manual.

Peel the protective paper from the tape on

the side bracket.

Fit the side bracket firmly to the side of the

top plate by attaching the double-faced tape

to the top plate as picture shown.

Secure the side bracket to the washer with

a screw on the back of the bracket. Repeat

Steps 2, 3, & 4 for the other side.

Place the dryer on top of the washer by

placing the legs as shown. Be careful not to

pinch fingers between the washer and dryer.

Slide the dryer back against the stop on the

side rail.

nsert the front rail of the stacking kit. Push

the front rail back against the stops on the

side brackets.

• Do not use a stacking kit with a gas dryer in

potentially unstable conditions like a mobile

home.

Stacking kit

Do not attempt this alone!

At least two people are required to lift and

position the dryer on top of a washing

machine!

Failure to heed this warning can result in

serious physical injury and damage to the

appliance.

WARNING

Stacking Kit Installation Instructions

Screw both sides of the front rail to the side

brackets.

For washer, dryer, and ombo LG 27”

25 3/8

(64.5cm)

2.86?

(7cm)

18 3/4

(47.5 cm)

27?

(68.6cm)

7 1/4

(18.4cm)

Pedestal Installation Instructions

4Attach the double-faced tape of the bracket to the

dryer as shown so the bent parts of the brackets

align with the edge and can be attached to the

pedestal with screws.

NOTE :

Attach the lower side first.

5Be sure to press the adhesive parts of the brackets

firmly to the appliance.

6nstall the eight (8) screws(supplied) to attach the

brackets to the pedestal.

7Move the dryer to the desired place.

NOTE :

The appliance and pedestal assembly

must be placed on a solid and level floor

for proper operation. Adjust the legs of the

appliance and pedestal by turning with a

wrench. Then, adjust the lock unt toward

the pedestal while holding the pedestal leg

using a wrench.

1Remove pedestal, installation hardware, and

instructions from the shipping carton.

2Position the dryer on top of the pedestal.

3Remove the paper from the

bracket.

for washer/

combo

for washer/

combo

for dryer

NOTE: That the Pedestal

hardware packet may in-

clude 2 sets of side

brackets. Be sure to use

the brackets marked for

the dryer.

After removing the protective covering from the

adhesive surface, align the screw holes in the

brackets with the matching holes in the pedestal

base and press and press the brackets against

the base and the dryer.

Use the instructions under option 2 or 3 if your

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

Use option 2 if local codes and ordinances permit

the connection of a chassis ground to the neutral

connector. If this is not permitted, use option 3.

Review the following options to determine the appropriate electrical connection for your home:

Electric Dryer Only

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

connecting to a fused disconnect or circuit breaker

box

Important : Grounding through the neutral conductor

is prohibited for (1) new branch-circuit installations,

(2) mobile homes, and (3) recreational vehicles, and

(4) areas where local codes prohibit grounding through

the neutral conductor.

Prepare minimum 5ft(1.52m) of length in order for

dryer to be replaced.

First, peel 5 inch (12.7cm) of covering material from

end. Make a 5 inch of ground wire bared. After cutting

/2inch (3.8cm) from 3 other wires. peel insulation

back 1inch (2.5cm). Make ends of 3 wires a hook

shape.

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.

Use the instructions under option 1 if your home

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

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

connecting to a fused disconnect or circuit breaker

box

1. Connect neutral wire(white) of power cord to center

terminal block screw.

2. Connect red and black wire to the left and right

terminal block screws.

3. Connect ground wire(green) of power cord to external

ground screw and move neutral ground wire of

appliance and connect it to center screw.

4. Make sure that the strain relief screw is tightened.

and be sure that all terminal block nuts are on tight and

power cord is in right position.

(12.7 m)

31/2"

(8.6 m)

(2.5 m)(2.5 m)

(12.7 m)(12.7 m)

(2.5 m)

3V2"

(8.9 m)

3-wire direct

4-wire receptacle

(NEMA type14-30R)

3-wire receptacle

(NEMA type10-30R)

4-wire direct

5"5"

(12.7 m)(12.7 m)

31/2"

(8.6 m)

(2.5 m)

(12.7 m)

(2.5 m)

3V2"

(8.9 m)

4-wire connection : Direct wire

(12.7 m)

31/2"

(8.6 m)

1"1"

(2.5 m)(2.5 m)

(12.7 m)(12.7 m)

(2.5 m)

(8.9 m)

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