Samsung DV400GWHD Series User manual

CLOTHES DRYER CONTENTS
SERVICE Manual
CLOTHES DRYER
1. Safety Instructions
2.FeaturesandSpecications
3. Disassembly and Reassembly
4. Troubleshooting
5. PBA diagram
6. Wiring diagram
7. Reference information
Basic Model : DV400GWHD**
(HUDSON DRYER PROJECT)
Model Name : DV45H7000G*
(DV-7000HA DRYER PROJECT)
Model Code : DV45H7000GW/A2

Contents
1. Safety Instructions ...................................................................1
1-1. Caution for safety during servicing...................................................1
1-2. Important safety information........................................................2
2. FeaturesandSpecications ...........................................................5
2-1. Features .......................................................................5
2-2. Specications ...................................................................6
2-3. Comparingspecicationswithexistingmodels .........................................7
2-4. Optionsspecications ............................................................8
3. Disassembly and Reassembly .........................................................9
3-1. Toolsfordisassemblyandreassembly ...............................................9
3-2. Standarddisassemblydrawings ...................................................10
4. Troubleshooting ....................................................................25
4-1. Error items and diagnostic codes...................................................25
4-2. Test mode.....................................................................26
4-4. Symptoms, diagnoses and actions .................................................29
4-5. Component testing procedures ....................................................34
5. PBA Diagram.......................................................................37
5-1. Main PBA .....................................................................37
5-2. Detaileddescriptionsofcontactterminals(MAINPBA) ..................................38
5-3. SubPBA .....................................................................39
5-4. Detaileddescriptionsofcontactterminals(SUBPBA)...................................40
6. Wiring Diagram.....................................................................41
6-1. Wiringdiagram(GASDRYER) ....................................................41
7. Reference .........................................................................42
7-1. ModelNumberNamingRules .....................................................42

Safety Instructions _ 1
1. SAFETY INSTRUCTIONS
1-1. CAUTION FOR SAFETY DURING SERVICING
1. Do not allow the customer to repair the product.
4The person may be injured or the product life may be shortened.
2. Execute A/S after unplugging the power supply unit.
4Be careful of the electric shocks.
3. Do not plug several plugs in the same outlet.
4 Itmaycauseareduetooverheat.
4. Check for damage, pinching or burning of the power plug the outlet.
4 Replaceitpromptlyifithasaproblem.(Itmaycausetheelectricshocksorre)
5. Do not clean the main body with water.
4 Itmaycauseelectricshocksandreandshortentheproductlife)
6. The wiring harness shall be free from moisture and tightened during serving.
4It shall not be deviated by certain impact.
7. Remove any dust or dirt on the housing section,wiring section,connection section during servicing.
4 Protectfrompossiblecauseofresuchasthetracking,shortageetc.
8. Check for any marks of moisture on the electrical parts, harness section etc.
4Replace the parts or remove the moisture.
9. Check the assembly status of the parts after servicing.
4Maintain the status before servicing.
10. Pull out the power cord by holding the plug.
4Be careful of electric shocks and when the cord is damaged.
11. Unplug the power plug from the outlet when the dryer is not used.
4 Becarefulofelectricshocksandreduetothestrikeoflightning.
12.Donotuseorstorespraysorammablematerials(includinggasoline,alcoholetc.)aroundthedryer.
4 Becarefulofexplosionsorreduetoelectricsparks.
13. Do not put bowls of water or wet laundry on the dryer.
4 Ifwaterhaspenetratedintothedryer,thismaycauseelectricshocksorre.
14. Do not install the dryer outside exposed to moisture.
4 Itmaycauseelectricshocksandreandshortentheproductlife.
15. Do not push the control buttons with an awl,pin, or sharp materials.
4It may cause electric shocks and damage.
16.Checkthedryerisleveledhorizontallyandinstalledproperlyontheoor.
4The vibration may shorten the product life.

2 _ Safety Instructions
1-2. IMPORTANT SAFETY INFORMATION
Toavoidriskofre,electricshock,seriousinjury,ordeathwhenusingyourdryer,followthesebasicprecautions:
1. Read all instructions before using the dryer.
2. Install dryer according to Installation Instructions. Refer to the Grounding Instructions in the Installation Instructions
for proper grounding of the dryer.
3. Do not dry articles that have been cleaned in, washed in, soaked in, or spotted with gasoline, drycleaning solvents, or
otherammableorexplosivesubstances.Vaporscouldigniteorexplode.
4. Donotusethedryertodryclotheswhichhavetracesofanyammablesubstance,suchasvegetableoil,cookingoil,
machineoil,ammablechemicals,thinner,etc.,oranythingcontainingwaxorchemicals,suchasmopsandcleaning
cloths.Flammablesubstancesmaycausethefabrictocatchrebyitself.
5. Donotstoreorusegasolineorotherammablevaporsandliquidsnearthisoranyotherappliance.
6. Do not allow children to play on or in dryer. Close supervision of children is necessary when the dryer is used near
children, a safety rule for all appliances.
7. Before the dryer is removed for service or is discarded, remove doors to drying compartment.
8. Do not reach into the dryer if cylinder is rotating.
9. Do not install or store the dryer where it will be exposed to water and/or weather.
10. Do not tamper with dryer controls.
11.Donotrepairorreplaceanypartofthedryerorattemptanyservice,unlessspecicallyrecommendedinuser-
maintenanceinstructionsorinpublisheduser-repairinstructionsthatyouunderstandandhaveskillstocarryout,if
you are a consumer.
12.Toreduceriskofelectricshockorre,donotuseextensioncordsoradapterstoconnectthedryertoelectricalpower
source.
13. Use the dryer only for its intended purpose, drying clothes.
14. Always disconnect the dryer from electrical supply before attempting any service. Disconnect the power cord by
holding the plug, not the cord.
15. Do not use heat to dry articles containing foam rubber or similarly textured rubberlike materials.
16.Alwayscleanthelintlteraftereveryload.Alayeroflintinthelterreducesdryingefciencyandprolongsdrying
time.
17. Use only fabric softeners or products to eliminate static that are appropriate for automatic dryers.
18. Keep your dryer in good condition. Bumping or dropping the dryer can damage safety features. If damage occurs,
havethedryercheckedbyaqualiedservicetechnician.
19. Replace worn power cords and/or loose plugs.
20.Donottumbleberglasscurtainsanddraperiesunlessthelabelsaysitcanbedone.Iftheyaredried,wipeoutthe
cylinderwithadampclothtoremoveparticlesofberglass.
21. Always read and follow manufacturers instructions on packages for laundry aids. Heed all warnings or precautions.
To reduce risk of poisoning or chemical burns, keep products away from children at all times, preferably, in a locked
cabinet.

Safety Instructions _ 3
22. Never operate the dryer with the guards and/or the panels removed.
23. Do not operate the dryer with missing or broken parts.
24. Do not bypass safety devices.
25. Keep area around the exhaust opening and adjacent surrounding areas free from accumulation of lint, dust, and dirt.
26.Interiorofdryerandexhaustductshouldbecleanedperiodicallybyqualiedservicepersonnel.
27. The dryer will not operate with loading door open. DO NOT bypass the door safety switch by permitting the dryer to
operate with door open. The dryer will stop tumbling when the door is opened. Do not use the dryer if it does not stop
tumbling when door is opened or starts tumbling without pressing or turning the START mechanism. Stop using the
dryerandcontactaqualiedservicetechnician.
28. Remove laundry immediately after the dryer stops.
29. ALWAYS follow the fabric care instructions supplied by the garment manufacturer.
■ Electrical service information
Electrical Dryers 240VAC,60Hz,30Amps,3-wireor4-wireinstallations
Gas Dryers 120VAC,60Hz,15Amps,3-wireinstallations
WARNING
Toreducetheriskofre,electricshock,seriousinjuryordeath,allwiringandgroundingmustconformwiththelatest
edition of the National Electric Code, or the Canadian Electrical Code, and such local regulations as might apply. It is
thecustomersresponsibilitytohavethewiringandfusescheckedbyaqualiedelectriciantomakesureyourhome
hasadequateelectricalpowertooperatethedryer.
WARNING
Toavoidriskofpersonalinjuryordeathduetoelectricalshock:
- Observealllocalcodesandordinances.
- Disconnecttheelectricalpowertotheunitbeforeservicing.
- Groundtheapplianceproperly.
- Checkwithaqualiedelectricianifyouarenotsurethisapplianceisproperlygrounded.
- DONOTgroundtoagasline.
- DONOTgroundtoacoldwaterpipeifpipeisinterruptedbyplastic,nonmetallicgaskets,orotherinsulating
(nonconducting)materials.
- DONOTmodifytheplugonthepowercord.Ifplugdoesnottelectricaloutlet,haveproperoutletinstalledby
qualiedelectrician.
- DONOThaveafuseintheneutralorgroundcircuit.Afuseintheneutralorgroundcircuitcouldresultinan
electrical shock.
- DONOTuseanextensioncordwiththisappliance.
- DONOTuseanadapterplugwiththisappliance.
- DONOTpinchthepowercord.
WARNING
Toreducetheriskofreandexposuretocombustiongases,thedryerMUSTbeexhaustedtotheoutdoors.
DO NOT exhaust dryer air into a window well, gas vent, chimney or enclosed, unventilated area, such as an attic, wall,
ceiling, crawl space under a building or concealed space of a building.

4 _ Safety Instructions
■ Gas dryer power supply
ThisequipmentMUSTbegrounded.Intheeventofanelectricalshortcircuit,groundingreducestheriskofelectricshock
byprovidinganescapewirefortheelectricalcurrent.Thisunitisequippedwithacordhavingagroundingwirewitha
grounding plug. The plug must be plugged into an outlet that is properly installed and grounded.
Consultaqualiedelectricianorservicerifgroundinginstructionsarenotcompletelyunderstood,orifdoubtexistsasto
whethertheequipmentisproperlygrounded.
Donotuseanextensioncord.Iftheproductpowercordistooshort,haveaqualiedelectricianinstallathreeslot
receptacle. This unit should be plugged into a separate 60 hertz circuit with the electrical rating as shown on the serial
plate.
■ Proper grounding and polarization for 120 volts wall outlets
For the safety of our customers and the service technician ALL gas
dryershaveathree-prongpowercordandMUSTbeconnectedtoa
properly polarized and grounded wall outlet. This information was written
for those who do not understand grounding and polarization of a wall
outlet.A120VACwalloutletmustalwaysbewiredasshownright.
Polarization - This means that the larger slot must be neutral and the
smallslotmustbehot(live).
Mispolarized -Theoutletismiswiredsothatthelargerslotishot(live)
and the smaller slot is neutral.
Grounded - This means the round hole connection is connected to
ground through a connection to the main power panel.
Ungrounded - The round hole connection is not connected to a ground
and/or the main power panel.
WARNING
Toavoiddeath,personalinjuryorpropertydamage,fromreorexplosion,informationinthismanualmustbefollowed
exactly.
Donotstoreorusegasolineorotherammablevaporsandliquidsinthevicinityofthisoranyotherappliance.
WHAT TO DO IF YOU SMELL GAS
- Donottrytolightanyappliance.
- Donottouchanyelectricalswitch;donotuseanyphoneinyourbuilding.
- Immediatelycallyourgassupplierfromaneighbor’sphone.Followthegassupplier’sinstructions.
- Ifyoucannotreachyourgassupplier,calltheredepartment.Installationandservicemustbeperformedbya
qualiedinstaller,serviceagencyorthegassupplier.
WARNING
Toreducetheriskofreandexposuretocombustiongases,thedryerMUSTbeexhaustedtotheoutdoors.
DO NOT exhaust dryer air into a window well, gas vent, chimney or enclosed, unventilated area, such as an attic, wall,
ceiling, crawl space under a building or concealed space of a building.
Neutral side
Round grounding
prong
Ground
L1 Neutral
0
V.A.C.
115±15
V.A.C.
115±12
V.A.C.


2. FEATURES AND SPECIFICATIONS
2-1. FEATURES
Features 
Extra Large Capacity
Ultra drying capabilitlites are at your ngertips! Now you can dry extra-large
loads. Our ultralarge 7.3cu.ft(DV456*), 7.2cu.ft(DV422* ,DV400*). capacity dryer
circulates more air through your clothes getting them dry faster, for a wrinkle-free
result.



Simply turn the Jog Dial to select one of the 11(DV456*), 9(DV422* ,DV400*)
automatic drying cycles, including normal, heavy duty and towels, or let the Fuzzy
Logic Control measure the degree of dampness and automatically set the drying
time. Precision drying has never been easier than with Samsung.
 Our cycles are designed with you in mind. All our dryers are designed to dry your
clothes in less time. Giving you time for more important things in life.

Samsung dryers are super energy efcient, that you can dry up to 3.09 pounds
of laundry with 1kWh. Also, both the large capacity and Fuzzy Logic Control save
energy by automatically drying your clothes the most efcient way.
 Our dryers will t just about anywhere and without a door conict. The direction of
our easy reversible door can be changed.

This course allows you to sanitize garments by permeating high temperature heat
deep into the fabric during the drying cycle. Use this course to keep your bedding
and curtains clean through sanitization.
4-way Vent

Customer can install the exhaust vent in the following four (4) positions: back,
either side, bottom.


2-2. SPECIFICATIONS
 
Type Front loading dryer

  43.86" (111.4cm)
  27" (68.6cm)
 
 49.80" (126.5cm)
  29.96" (76.1cm)
 55kg (121.3 lb)
 22,000 BTU/h
A
B
C
D


 
  Dry 
  
Image
Capacity (cu.ft / DOE) 7.2 7.2
Dryer type Gas Gas
Matching Washer WA45H* WA400*
Cycle Selection
Sensor Dry
NUMBER OF
DRYING CYCLE 99
Normal Yes Yes
Heavy Duty Yes Yes
Towels No No
Perm Press Yes Yes
Delicates Yes Yes
Sanitize Yes Yes
Bedding Yes Yes
Manual
Dry
Time Dry Yes Yes
Air Fluff No No
Quick Dry Yes Yes
Wrinkle-Release Yes Yes
Steam
Cycles
Refresh No No
Wrinkle Away No No
Option Selection
Adjust Time UP / DOWN UP / DOWN
My Cycle No No
Wrinkle Prevent Yes Yes
# of Temp Level 44
# of Dryness Level 44
sound level ON/OFF ON/OFF
Mixed Load Bell Yes Yes
Child Lock Yes Yes
SMART CARE No No


2-4. OPTIONS SPECIFICATIONS
  QTY 
MANUAL-BOOK DC68-03170J 1 Default
Inlay-Holder Glass DC64-02819A 1 Default

Disassembly and Reassembly _ 9
3. DISASSEMBLY AND REASSEMBLY
3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY
Tool Type Remarks
14 mm 17 mm
Socket set with
6” extention
14 mm
17 mm
Fan (1)
Roller Shaft (4)
Wrench 8 mm Tool to x the Roller Shaft on removing the nuts.
Vice pliers Tool to protect the idle and abrasion of the bolt
for the box driver.
Other
(Driver, Diagonal Cutter,
Long Nose Pliers)
General tools for the after service.

10 _ Disassembly and Reassembly
3-2. STANDARD DISASSEMBLY DRAWINGS
To avoid risk of electrical shock, personal injury or death, disconnect the power to the Clothes Dryer.
► This is a standard disassembly diagram and may differ from the actual product.
Use this material as a reference when disassembling and reassembling the product.
Part Figure Description
Panel Control
Removal
1. Disconnect the power supply to the unit.
2. Remove 6 screws from the Cover Panel.
3. Remove the Panel Control.
4. Remove Each Housing.
5. Remove the Knob.
6. Remove 4 screws from the GUIDE-PCB(M).
Be careful of external scratch on the Panel
Control.

Disassembly and Reassembly _ 11
Part Figure Description
Main PCB Removal
1. Remove the Panel Control.
2. Separate 4 Hook From the Guide PCB.
3. Remove the Housings.
4. Remove 1 Screw from the Top Cover.
Top Cover Removal
1. Disconnect the power supply to the unit.
2. Remove the Panel Control and the Main PCB.
3. Remove the Cap-Cover Top and 2 screws from the
Bracket Cover Top.
4. Slide the Top Cover towards the front and lift from
the unit.
Scratch and impact to the top cover is
prohibited.

12 _ Disassembly and Reassembly
Part Figure Description
DOOR REVERSAL
(Continued)
1. Unplug the power cord.
2. Remove the four hinge screws from the door.
3. Remove the door by lifting it.
4. Remove the two screws from the holder-lever, and
then remove the cover-holder.
5. Assemble the holder-lever on the opposite side
using the screws that were removed from the
holder-lever-in Step 4.
6. Assemble the cover-holder on the opposite side.
7. Remove the two cover-hinges.
8. Assemble the two cover-hinges on the opposite
side.
Use a at head screwdriver(-) to remove the
cover-holder’s cover-hinge.
L9. Remove the 14 screws.
2 screw (L) are longer than the other screws.

Disassembly and Reassembly _ 13
Part Figure Description
DOOR REVERSAL
< Figure. 1 >
< Figure. 2 >
10. Remove the holder-glass.
11. Exchange the positions of:
: The cover-hinge and handle door
: The holder-hinge and guiderholder glass
12. Remove the Lever-Door, Cover-Lever (DV400
Only) and then install it on the opposite side.
: DV456 & DV422 Refer Figure. 1
: DV400 Refer Figure. 2
Refer to the illustrations on the right to aid you
in the assembly process.
LP
13. Remove the cover-hole (P1).
14. Assemble the holder glass and then fasten the 14
screws that you removed in step 9.
15. Attach the cover-hole.
A spare cover hole is in the assy manual.
16. Install the door on the frame-front and then fasten
the 4 screws that you removed in step 2.
Check the positions of the screws you installed
in the hinge door

14 _ Disassembly and Reassembly
Part Figure Description
Frame Front
Removal
1. Disconnect the power supply to the unit.
2. Remove the Panel Control, the Main PCB and the
Cover Top.
3. Remove 3 screws from the Frame Front.
When 1 screws of the top portion work because
was added newly, keep in mind.
5. Remove 3 screws.
6. Remove the Door Switch Housing.
When reassemble Door Switch to Frame Front,
be careful for insert direction.
7. Lift the Frame Front off the three tabs across the
bottom and remove.

Disassembly and Reassembly _ 15
Part Figure Description
Frame Front
Removal
[Method of Door S/W disjointing]
1. After separate Holder Wire in Door S/W, Door
S/W Hook Press and is Pull to Frame Front whole
surface.
2. Pulls Door S/W to direction in 5 o’clock and
separates Door S/W left part.
3. Pull Door S/W to front side.

16 _ Disassembly and Reassembly
Part Figure Description
Drum Front Removal
(Continued)
1. Disconnect the power supply to the unit.
2. Remove the Panel Control, the Main PCB, the
Cover Top and the Frame Front.
3. Disconnect Interior Light wiring Harness.
(DV456 Only)
4. Remove the four Bracket Drum Front 5 screws.
5. Disconnect the Moisture Sensor wiring Harness.
6. Remove the Drum Front.
7. Remove the lter.
8. Remove 2 screws from the Duct Oulet.

Disassembly and Reassembly _ 17
Part Figure Description
Drum Front Removal
9. Remove the Duct Outlet.
10. Remove 3 screws from the Case Filter(F).
11. Remove 1 screw from the Case Filter(B).
Make sure the Filter does not get damaged by
the Roller.
12. Remove the Case Filter(B/F).
13. Disconnect 2 Housing Sensor-Plate.
14. Remove 2 Sensor-Plate.

18 _ Disassembly and Reassembly
Part Figure Description
Drum Removal
1. Disconnect the Power Supply to the unit.
2. Remove the Panel Control, the Main PCB, the
Cover Top, the Frame Front and the Drum Front.
3. Remove Belt.
4. Remove the Drum.
When reassemble the belt, make it located
middle of the Drum.
Sensor
(Thermistor,
Thermostat)
Removal
1. Disconnect the power supply to the unit.
2. Remove the Panel Control, the Main PCB, the
Cover Top, the Frame Front, the Drum Front and
the Drum.
3. Remove 2 Housing Sensor.
4. Remove the Sensor.
Do not apply excessive force to the terminal.