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Website:http://www.LGservice.com [For U.S.A] www.lg.ca [For Canada]
ELECTRIC & GAS DRYER SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE.
MODEL : DLE5977W/DLG5988W DLE5977B/DLG5988B DLE3777W/DLG3788W DLE5977WM/DLG5988WM DLE5977SM/DLG5988SM

IMPORTANT SAFETY NOTICE

The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. 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.

! WARNING !

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.
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.
WHAT TO DO IF YOU SMELL GAS:
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 neighbors phone. Follow the gas suppliers instructions carefully. If you cannot reach your gas supplier, call the fire department.

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.

CONTENTS

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 LAY - OUT....18 8. WIRING DIAGRAM...19 9. DIAGNOSTIC TEST....20 9-1. TEST 1 120VAC ELECTRICAL SUPPLY...21 9-2. TEST 2 THERMISTOR TEST --- MEASURE WITH POWER OFF..22 9-3. TEST 3 MOTOR TEST...23 9-4. TEST 4 MOISTURE SENSOR...24 9-5. TEST 5 DOOR SWITCH TEST...25 9-6. TEST 6 HEATER SWITCH TEST - ELECTRIC TYPE...26 9-7. TEST 7 GAS VALVE TEST - GAS TYPE...27 10. CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS)..28 11. DISASSEMBLY INSTRUCTIONS....30 12. EXPLODED VIEW....37 12-1. CONTROL PANEL & PLATE ASSEMBLY...37 12-2. CABINET & DOOR ASSEMBLY...38 12-3-1. DRUM & MOTOR ASSEMBLY : ELECTRIC TYPE...39 12-3-2. DRUM & MOTOR ASSEMBLY : GAS TYPE...40 13. REPLACEMENT PARTS LIST....41

SPECIFICATIONS

I Name I Power supply I Size I Dryer capacity I Weight
: Electric and Gas Dryer : Please refer to the rating label regarding detailed information. : 68.6X98.3X76.1 (cm) : IEC 7.3cu.ft. : 126 (Ibs)
Specifications are subject to change by manufacturer.

I ACESSORIES

Dryer rack (1 each)
Stacking kit (1 each) Purchased Separately
Pedestal (1 each) Purchased Separately
See page 8 for how to use.
See page 6 for how to use.
See page 7 for how to use.
DLE5977WM DLE5977S DLE5988WM DLE5977B DLG5988S DLE3777W DLE5977W DLG5988B DLE5977SM DLG3788W DLG5988W DLG5988SM

REMARK

Material & Finishes Top Plate

Blue White

Black Porcelain
Titanium Blue White Painted Blue White
Door Trim POWER SUPPLY MOTOR ELECTRICITY CONSUMPTION HEATER LAMP GAS VALVE CONTROL TYPE DRUM CAPACITY Weight (lbs) : Net / Gross No. of Programs No. of Dry Options No. of Temperature Controls No. of Dry Levels

Sound levels

Chromate + STS Deco
120V / 240V 60Hz (26A) 250W (4.5A) 5400W (22.5A) 15 W (125mA) 13 W (110mA) x 2 Electronic 7.3 cu.ft. 124 / 144
AC 120V AC 240V (ELECTRIC TYPE) AC 120V AC 120V(GAS TYPE)
High / Low / Off Avaiable Avaiable Avaiable Stainless Steel Avaiable Avaiable Avaiable 27" x 42 3/4 x 28 1/3

Sensor

Moisture Temperature
Electrode sensor Termistor
Reversible Door Drum Dryer Rack Child Lock Interior Light Product (WxHxD) Packing (WxHxD)
29 1/2" x 44 3/4 x 30 3/4

FEATURES AND BENEFITS

DLE5977W/DLG5988W/DLE5977B/DLG5988B/DLE5977WM/DLG5988WM/DLE5977SM/DLG5988SM

DLE3777W/DLG3788W

INSTALLATION INSTRUCTIONS
Dryer Rack Installation Instructions
Open the door. Hold the dryer rack with both hands.
Put the dryer rack into the drum
Make sure that dryer is evenly placed right onto the drum inside and door rim.
Stacking Kit Installation Instructions
To ensure safe and secure installation, please observe the instructions below.

W ARNING

Do not attempt installation with one person. Incorrect installation procedure can cause serious accidents and physical Injuries. The weight of the dryer and the height of installation makes the stacking procedure too risky for one person. This procedure should be performed by 2 or more experienced service personnel.
Secure stacking kit side bracket to the washer with a screw on the back of bracket. Repeat Steps 2, 3, 4 for the other side.
Place the dryer on top of the washer by fitting legs as shown in the picture. Avoid finger injuries - be careful not to pinch fingers between the washer and dryer. Slide washer slowly backwards to the stopper of kit.

Sakn kt tcig i

Place washer firmly on a stable, even and solid floor as product installation instructions describes in owners manual. Peel protective paper off the tape from the stacking kit side bracket.
Fit the stacking kit side bracket firmly to the side of top plate by attaching the doublefaced tape to top plate as picture shows.

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.

1" m) 5c

1" (2.5

4-wire direct

3V2" ) (8.9 cm
If this type is available at your home. you will be connecting to a fused disconnect or circuit breaker box

5" (12.7 cm)

3-wire direct

31/2" (8.6 cm)

If this type is available at your home. you will be connecting to a fused 1" ) disconnect or circuit breaker cm box 2.5 (
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.

d e f c b

3-wire connection : Direct wire
Important : use 3-wire connection in the places such as mobile homes and areas where 3-wire connections is not available. Prepare minimum 5ft(1.52m) of length in order for 3 " dryer (8.6 cm) replaced. to be
Option 1: 4-wire connection with a Power supply cord.
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 4wire connection.
First, peel 3 1/2 inch (8.9cm) of covering material from end and bare 1 inch from the ends.

5 (2. 1" m) c

1" (2.5 cm )
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. 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.

c b d e

Option 2: 3-Wire Connection with a Power Supply Cord
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 3: Optional 3-wire connection.
If your local codes or ordinances do not allow the connection of a frame-grounding conductor to the neutral wire, use the instructions under this section.
1. Connect neutral wire(white) of power cord to center terminal block screw. 2. Connect ground wire of appliance and neutral wire of power cord to center terminal block screw. 3. Connect red and black wire to the left and right terminal block screws. 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.

5. Connect a independent ground wire from external ground connector to proper ground.
3-2. Connect Gas Supply Pipe (Gas Dryer ONLY)
For further assistance, refer to section on Gas Requirements.
1. Make certain your dryer is equipped for use with the type of gas in your laundry room. Dryer is equipped at the factory for Natural Gas with a 3/8 N.P.T. gas connection. 2. Remove the shipping cap from the gas connection at the rear of the dryer. Make sure you do not damage the pipe thread when removing the cap. 3. Connect to gas supply pipe using a new flexible stainless steel connector. 4. Tighten all connections securely. Turn on gas and check all pipe connections (internal & external) for gas leaks with a non-corrosive leak detection fluid. 5. For L.P. (Liquefied Petroleum) gas connection, refer to section on Gas Requirements.
1 New Stainless Steel Flexible Connector - Use only if allowed by local codes (Use Design A.G.A. Certified Connector) 2 1/8 N.P.T. Pipe Plug (for checking inlet gas pressure) 3 Equipment Shut-Off Valve-Installed within 6 (1.8 m) of dryer
4 Black Iron Pipe Shorter than 20 (6.1 m) - Use 3/8 pipe Longer than 20 (6.1 m) - Use 1/2 pipe 5 3/8 N.P.T. Gas Connection

DRYER CYCLE PROCESS

Default Cycle Conditions of operation and termination Drying Cooling Wrinkle care Time
Temp- Dry Display erature Level time Electro- Temp- Default Tempsensor Control time Control**
HIGH (Normal) 54min Saturation 684C (5min) 475C MID (Normal) 55min Saturation 664C (5min) 475C HIGH MEDIUM (Normal) 41min Saturation 604C (5min) 475C
HEAVY DUTY COTTON/ TOWELS NORMAL PERM PRESS DELICATES ULTRA DELICATE SPEED DRY

Sensor Dry *

3Hr LOW LOW (Normal) 36min Saturation 523C (5min) 475C (Normal) 32min Saturation 523C (5min) 385C
ULTRA (Normal) 34min Saturation 453C (5min) 385C LOW (HIGH) (MID HIGH) 25min Saturation (705C) (5min) (475C) 20min 30min Saturation (665C) (5min) (475C) Saturation No heater N/A N/A Off Time: 6min 3Hr

Manual FRESHEN UP Dry **

AIR DRY

On Time: 10sec

Temperature Control for each cycle

Heater

* Sensor dry : Dry Level is set by users. ** Manual dry : Temperature control is set by users. Default settings can be adjusted by users.
COMPONENT TESTING INFORMATION
CAUTION When checking the Component, be sure to turn the power off, and do voltage discharge sufficiently.
Component Test Procedure Check result Remark

1. Thermal cut off

Check Top Marking : N130 2. Hi limit Thermostat (Auto reset)
Heater caseMeasure resistance of terminal If thermal fuse is open must Safety to terminal be replaced 12F Electric type Open at 266 Resistance value (130 7C) Auto reset -31F (-35C) Continuity (250F ) < 1 Same shape as Outlet Thermostat. Measure resistance of terminal to terminal Open at 257 9F (125 5C) Close at 221 9F (105 5C) Measure resistance of terminal to terminal Open at 185 9F (85 5C) Close at 149 9F (65 5C) Same shape as Thermal cut off. Measure resistance of terminal to terminal Heater case Hi limit Electric type

Resistance value

Resistance value < 5 Blow housing Safety Electric type
3. Outlet Thermostat ( Auto reset)

Resistance value < 5

Check Top Marking : N85 4. Lamp holder
Resistance value : 80 ~ 100

5. Door switch

Measure resistance of the following terminal 1) Door switch knob : open Terminal : COM - NC (1-3) Terminal : COM - NO (1-2) 2) Door switch push : push Terminal : COM - NC (1-3) Terminal : COM - NO (1-2) Measure resistance of the following terminal : COM - NC
Resistance value < 1 Resistance value Resistance value Resistance value < 1 1. lever open Resistance value < 1 2. Lever push (close) Resistance value
The state that Knob is pressed is opposite to Open condition.

6. Idler switch

Component

7. Heater

Test Procedure
Measure resistance of the following terminal Terminal : 1 (COM) - 2 Terminal : 1 (COM) - 3 Terminal : 2 - 3 Measure resistance of terminal to terminal Temperature condition : 58F ~ (10~40C) 58F ~ 104F (10~40C)

Check result

Remark

Electric type

Resistance value : 10 Resistance value : 10 Resistance value : 20 Resistance value : 10 Heater case Hi limit Electric type

8. Thermistor

9. Motor

See Page 13

10. Gas valve

valve 1

Measure resistance of the following terminal Valve 1 terminal Valve 2 terminal
Gas type Resistance value : > 1.5kg ~ Resistance value : > 1.5~2.5kg

valve 2

11. Igniter
Measure resistance of terminal to terminal
Resistance value : 100~800 Gas type

12. Frame Detect

Measure resistance of terminal to terminal Open at 370F ((Maximum) Close at 320F
Gas type Resistance value Resistance value < 1
13. Outlet Thermostat (Auto reset)
Measure resistance of terminal to terminal Open at 203 7F (95 5C) Close at 158 9F (70 5C)

Gas type Gas funnel

Resistance value Continuity < 1
Check Top Marking : N95 13. Outlet Thermostat (Manual reset) Measure resistance of terminal to terminal Open at 212 12F (100 7C) Manual reset If thermal fuse is open must be replaced Resistance value Continuity < 1 Gas type Gas funnel

Check Top Marking : N100

MOTOR DIAGRAM AND SCHEMATIC
NOTE When checking Component, be sure to turn Power off, then do voltage discharge sufficiently.
Contact On / Off by Centrifugal Switch
STOP MODE (When Motor does not operate)

RUN MODE (Motor operates)

Centrifugal switch

Centrifugal switch (Pull Drive forward)

CONTROL LAY - OUT

PWB ASSEMBLY DISPLAY LAY-OUT
MODEL DISPLAY AS DIAGNOSTIC TEST
DLE5977WM/SM, DLE5977W/B DLG5988WM/SM, DLG5988W/B DLE3777W DLG3788W X X X X

OPTION PART

X X X X

X O X O

O O X X

LED DISPLAY

18:FO 19:FO 18:F1 19:F1
6871EC1115A 6871EC1115B 6871EC1115C 6871EC1115D

PWB ASSEMBLY LAY-OUT

RLM ELECTRIC DRYER WIRING DIAGRAM

ELECTRONIC CONTROL

ELECTRIC DRYER WIRING DIAGRAM

L1 BLACK

N WHITE

WH3 RD3

BL2 WH3 BLUE BLUE HEATER

RED WHITE

YELLOW

BL4 BLUE ORANGE RED

PLC MODEM

BROWN BROWN BELT SWITCH

LAMP YELLOW

NO OUTER COIL INNER COIL

SAFETY THERMOSTAT
OVERLOAD PROTECTOR CENTRIFUGAL SWITCH
MOTOR RED MOISTURE THERMISTOR SENSOR

DOOR SWITCH

WHITE RED

BLOWER THERMOSTAT

WIRING DIAGRAM

HI - LIMIT THERMOSTAT

PINK PINK

COM BLUE

LAMP IGNITER

BELT SWITCH

GRAY NC WHITE

YELLOW BROWN

OVERLOAD PROTECTOR CENTRIFUGAL SWITCH HI-LIMIT THERMOSTAT
DC VALVE1 DC VALVE2 MOISTURE THERMISTOR FLAME SENSOR DETECTOR

WHITE NO

ORANGE RED
RLM GAS DRYER WIRING DIAGRAM

GAS DRYER WIRING DIAGRAM

POWER CORD L1 BLACK RD3 N WHITE

GN/YL YL2

WH3 WH3 BL3

DIAGNOSTIC TEST

1. This TEST should be used for Factory test /Service test. Do not use this DIAGNOSTIC TEST other than specified. 2. Activating the Heater manually with the Door open may trip the Thermostat attached to the Heater, therefore do not activate it manually. (Do not press the door switch to operate the heater while the door is open )

ACTIVATING THE DIAGNOSTIC TEST MODE
1. Unit must be in Standby (unit plugged in, display off) 2. Press POWER while pressing MORE TIME, and LESS TIME simultaneously.
Pressing the START/PAUSE button

CHECKING ACTION

DISPLAY

CHECKING POINT

Wont power up Defective LED Thermistor open
See test 1 Display : See page See test 2
Electric control & Temperature sensor
Thermistor close Motor runs See test 3
70 ~ 239 Displays Moisture Sensor Operation: Measured If moisture sensor is contacted with Moisture Value. damp cloth. The display number is below 180, in normal condition. ELECTRIC TYPE : Heater runs GAS TYPE : GAS Valve runs (Display the Temperature of Inside drum.)

See test 4

3 times
ELECTRIC TYPE Motor + Heater 1 (2700W) GAS TYPE Motor + Valve ELECTRIC TYPE Motor + Heater 1 +Heater 2 (5400W) GAS TYPE Motor Type Control Off

Current Temp.

Gas valve See test 7

Current Temp. (5 ~ 70)

4 times
Auto Off Door switch Lamp Press Start button 1 time and then open the door. Proceed again with the step 1(by pressing start 1 time), step 2(by pressing start 2 times), step 3(by pressing start 3 times) and step 4(by pressing start 4 times) in sequence. Press Start 2 times and then open the door. Proceed again from the step 1 all the way to the step 4. Press Start 3 times and then open the door Proceed with the step 1 and skip the step 2 and press step 3 twice and finish with step 4 by making sure the all the electric devices shut off in the end. See test 6
Motor & Heater Off + Lamp On + During check, Buzzer beeps seven times If the door is open.
Motor on & Heater During check, Off + Lamp Off If the door is closed.

70 ~ 239

Test 1 120VAC Electrical supply

Caution

When measuring power, be sure to wear insulated gloves, to and avoid an electric shock.
Trouble Symptom No power was applied to Controller. (LED, Display off) Measurement Condition With Dryer Power On; Connector linked to Controller.
Check the outlet, is the voltage 110V ~ 125V AC?
Check the fuse or circuit breaker.
Check if the voltage measured between Connector RD3- (Black) linked to the Controller and WH3- (White) is 110V ~ 125V?

Check if Power Cord is properly connected.
N(White) L (Black) L (Led)
Check if the Controller wire is disconnected. Check if Terminal Block and Power Cord are connected (Check Plug ). - Does Power Cord N( Natural) line match to Terminal Center N(Natural) line?
Reconnect the controller.

Replace controIler.

Test 2 Thermistor Test --- Measure with Power Off
Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with the Ground.) During Diagnostic Test, tE1 and tE2 Error occur. During operation, Heater would not turn off, or remains on. Difference between actual and sensed temperature is significant.

Trouble Symptom

Measurement Condition After turning Power off, measure the resistance.
Check if Control and 6Pin connector is properly connected. Replace Controller.
Take 6pin Connector from the Controller.
Check if resistance is in the range of Table 1 when measuring 6pin connector Pin YES (Blue wire) and Pin (Red wire) connected to Controller.
Check if resistance is in the range of Table 1 when measuring resistance between terminals after separating Harness From Thermistor assembly Connector.

Replace Thermistor.

Check Harness-linking connector. Table 1. Resistance for Thermistor Temperature.
Air TEMP.[F (C)] RES. [k] Air TEMP.[F (C)] RES. [k] Air TEMP.[F (C)] RES. [k]
50F (10C) 60F (16C) 70F (21C) 80F (27C) 18.0 14.2 11.7 9.3 90F (32C) 100F (38C) 110F (43C) 120F (49C) 7.7 6.2 5.2 4.3 130F (54C) 140F (60C) 150F (66C) 160F (71C) 2.9 3.0 2.5 2.2

Test 3 Motor test

Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with earth line.)
Trouble Symptom Drum will not rotate; No fan will function; No Heater will work. Measurement Condition Turn the Dryers Power Off, then measure resistance.
Replace Control. (Relay check) Check Controller connector. Check if Door flame presses door switch knob. Check Door Switch. Check Harness connection. Replace Control. (Relay check) Check Controller connector. Replace Outlet Thermostat. (Refer to Component) Check Idler Assembly. Drum Belt cuts off Drum Belt takes off from Motor Pulley. Replace Idler Switch.
Is resistance below 3 between Connector WH3- (White wire) and BL2- (Brown wire)? YES Measure while door is closed.

Is resistance below 3 between Connector WH3- (White wire) and BL2- (Yellow wire)? NO Measure while door is closed.
Is resistance below 3 between Connector BL2- (Yellow wire) and BL2- (Brown wire)? YES
Is resistance below 1 between terminals NO of Outlet Thermostat attached to blower housing?
Does Idle Switch attached to Motor Bracket operate Level by drum belt? (Not operating Lever is normal.)
Idler Switch Lever Idler Switch
Is resistance below 1 between Idler Switch terminals?
Check Motor.(Refer to Motor Diagram & Check) Check if Control Connector is contacted.

Test 4 Moisture sensor

Trouble Symptom Degree of dryness does not match with Dry Level. Measurement Condition Turn the Dryers Power Off, then measure resistance.
Short with metal to 6pin connectors Pin (BLUE wire) and Pin (ORANGE wire) to Controller.

Metal or Wire

When measuring resistance in Electric load, is resistance below 1?
When contacting cloth to Electro load: 1. Is the measurement within the range of Table 2 during Diagnostic Test? NO 2. Is the measurement within the range of Table 2 when measuring the voltage in 6pin connectors Pin (BLUE wire) and Pin (ORANGE wire)?
Check Electro Load and Harness Connector. Check Harnesslinking connector.
Replace Control and Check.

Damping cloth

Normal Condition Table 2. IMC Ratio and Display Value / Voltage (IMC : Initial Moisture Content)
70% ~ 40% 40% ~ 20% 10% ~ Dried clothes
Display Value Voltage(DC) (between 6Pin terminal
50 ~ ~ ~ 240 2.5V 2.0V ~ 4.0V Over 4.0V
Weight after removing from Washing Machine Damp Dry Completely-dried clothes

Test 5 Door switch test

Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with earth line.) Door Opening is not sensed.(During operation, when opening Door, Drum motor and
Trouble Symptom Heater run continuously; Door Close is not sensed.
(Drum motor will not operate. Display will flash at 0.5 second intervals.)
Measurement Condition After turning Dryer Power Off, measure resistance.
Measure while Door is closed. Check if resistance is below 250 between WH3- (White wire) and RD3- (Black wire) Connector WH3, RD3 after taking WH3, RD3 out from Controller.
Door switch Check (Refer to Component testing.)
Measure while Door is open. Check if resistance is 300~60 between WH3- (White wire) and RD3- (Black wire) Connector WH3, RD3 after taking WH3, RD3 out from Controller. Check Lamp. (When opening Lamp, replace then measure again.) Door switch Check(Refer to Component testing.)
Measure while Door is open. Check if resistance is below 1 between BL2- YES (Yellow wire) and WH3- (White wire) after taking Connector WH3, BL2 out from Controller.

Measure while Door is closed. Check if resistance is below 1 between BL2- NO (Yellow wire) and WH3- (White wire) after taking Connector WH3, BL2 out from Controller. Door switch Check (Refer to Component testing.)
Check Controller. Check Harness-linking connector.
Test 6 Heater switch test - Electric Type
Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with earth line.) While operating, Heating will not work.
Trouble Symptom Drying time takes longer.
1. Is resistance between Heater terminal and below 18 ~ 22? 2. Is resistance between Heater terminal and below 18 ~ 22? 3. Is resistance between Heater terminal and below 9 ~ 11?

Replace Heater.

Check if the value of measured resistance is below 1 between terminal TH2 (Safety Thermostat). NO

TH3 TH2

Replace TH2 (Safety Thermostat).
Check if the value of measured resistance is below NO 1 between terminal TH3 (HI-Limit Thermostat). Replace TH3 (HI-Limit Thermostat).
Check Motor. Check if the value of measured resistance is below 1 between terminal and at RUN condition.
Check Motor and replace it.
Check Controller. Check Harness-linking Connector.
Test 7 GAS Valve test - Gas Type
When measuring power, be sure to wear insulated gloves, to avoid electric shock.
Trouble Symptom Drying time takes longer. Measurement Condition With dryer power on
While operating, Heating will not work.
Power On & Start (Normal Cycle)

Valve 1

When measuring Valve 1 voltage, More than AC 90V?
Check thermostat Hi limit Safety
Igniter operates? (after 1 min, Igniter becomes reddish)

Igniter

Valve 2
Check Igniter & Frame detect
When measuring Valve 2 voltage, Value is more than AC 90V? (10 sec after Igniter off) Check Gas connection or Gas supply
When measuring terminal resistance on Valve 1, Valve 2, Value is more than1.5 ~ 2.5k? (Measure after Off )

Change Valve

Harness check Controller change
CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS)
After Natural Gas Setting, applying Propane Gas Orifice or wrong use of Natural Gas Orifice will result in fire. Conversion must be made by a qualified technician.

Warning

Initially, Natural Gas mode is

STEP 1 : VALVE SETTING

set. Propane Gas Orifice is on sale as a Service Part to authorized servicers only.

Full open

Change screw

STEP 2 : ORIFICE CHANGE

Remove 2 screws. Disassemble the pipe assembly. Replace Natural Gas orifice with Propane Gas orifice.

Gas type

Orifice P/No Marking

NCU PCU

Natural Gas 4948EL4001B Propane Gas 4948EL4002B

Orifice

Kit contents : Orifice (Dia. = 1.613mm, for Propane Gas) : Replace Label : Instruction sheet

GAS VALVE FLOW

START KEY PUSH VALVE 1 ON IGNITE ON
IGNITE TEMPERATURE ABOUT 370F
FRAME DETECT OPEN IGNITE OFF VALVE 2 ON

GAS IGNITION

FRAME DETECT CLOSE VALVE 2 OFF

DRYING

START VALVE 1 IGNITER FRAME DETECT VALVE 2 ON ON CLOSE OFF OFF OPEN ON GAS IGNITION

GAS VALVE STRUCTURE

DISASSEMBLY INSTRUCTIONS
Disassemble and repair the unit only after pulling out power plug from the outlet.
1. Remove 3 screws on the upper plate.
2. Push the top plate back ward.

3. Lift the top plate

1. Remove 2 screws on the control panel

frame.

2. Disconnect the connectors.
3. Pull the control panel assembly upward and

then forward.

4. Remove 9 screws on the PWB(PCB)

assembly, display.

5. Remove 4 screws on the PWB(PCB)

assembly, main.

6. Disassemble the control panel assembly.
1. Disassemble the top plate. 2. Disassemble the control panel assembly. 3. Disassemble the door assembly. 4. Remove 2 screws.
5. Remove 4 screws from the top of cabinet cover. 6. Disconnect the harness of door switch.
1. Disassemble the top plate. 2. Remove Cover Cabinet. 3. Disconnect the door lamp and electrode

sensor connector.

4. Remove 4 screws. 5. Disassemble the Tub Drum [Front].
1. Disassemble the top plate. 2. Remove the Cabinet Cover and

Tub drum [front].

3. Loosen belt from motor and idler pulleys. 4. Carefully remove Drum out.
1. Disassemble the door. 2. Remove a screw by holding the drum lamp shield

in place.

3. Slide the shield up and remove. 4. Remove the bulb and replace with a 15 watt,
120 volt candelabra-base bulb.
5. Replace the lamp shield and screw.
1. Remove a screw and exhaust duct.
2-1. Detach and remove a knockout at the botton,
left or right side as desired. (Right Side Vent not available on Gas dryer) , , the order of work.
2-2. Reconnect the another duct[11 in(28cm)] to the

DUCT TAPE

blower housing, and attach the duct to the base. ( Duct is a SVC part)
3-1. Pre-assemble 4" elbow with 4" duct.
Wrap duct tape around joint.
3-2. Insert elbow duct assembly first through the
side opening and connect the elbow to the internal duct.
1. Remove the filter. 2. Remove 3 screws. 3. Remove Cover Gride. 4. Disconnect electrode sensor.
1. Disassembly the top plate. 2. Remove the Cabinet Cover and Tub Drum [Front]. 3. Remove the Drum assembly. 4. Remove 2 screws and cover(Air guide). 5. Remove the bolt and washer. 6. Remove the fan. 7. Disconnect the motor clamp and motor.

1. Disassemble the top plate. 2. Remove the Cabinet Cover and Tub Drum [Front]. 3. Remove the Drum assembly. 4. Remove 7 screws. 5. Remove the Tub Drum [Rear] towards the front.
1. Disassemble the top plate. 2. Remove the Cover Cabinet. 3. Remove filter and 2 screws. 4. Remove the air duct.
1. Disassemble the top plate. 2. Remove the Cover Cabinet and Tub Drum [Front]. 3. Remove the Drum assembly and Tub Drum [Rear]. 4. Disconnect Air duct from the Tub Drum [Front]. 5. Remove the roller from the Tub Drum [Front]

and Tub Drum [Rear].

EXPLODED VIEW
12-1. Control Panel & Plate Assembly
12-2. Cabinet & Door Assembly

A800 A570 A560

A330 A600 A300 A550

A320 A305

A310 A530 A520 A525 A540 A430 A510
12-3-1. Drum & Motor Assembly : Electric Type

F200 K400

K140 K100
K250 K330 K222 K221 K230 K210 K350 K250

K251 K310 K320 K340

K360 K550 K251 K560
K240 K530 F140 K540 K510 K520 K640 K651

F130 F110 K600 K650

12-3-2. Drum & Motor Assembly : Gas type
K240 K530 K640 K540 M141 M160 M171 M170 M140 M110 M190 M180 M181 M250 M230 M210 M150 M240 M220 K650 K600 K510 K520 K651
M171 : Propane Gas orifice M170 : Natural Gas orifice
Apr. 2004 PRINTED IN KOREA

P/No.:3828EL3005A

 

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