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Samsung DV400EWHDWR Service Manual Download Page 26

10 _ Disassembly and Reassembly 

Part

figure

Description

Duct Exhaust 

Removal

1.  Disconnect the power supply to the unit.
2.  Remove 1 screws from the Back-Cover.

3.  Remove 1 screw from the Duct-Exhaust.

  In case the screws for fixing a power code are 

dropped into the dryer, after removing Duct 

Exhaust, you can put it out through the hole.

  Reassembly procedures are in the reverse order of dissasembly procedures.

复件 Hudson_Dryer_SM_E.indb   24

2012-4-2   15:20:55

Summary of Contents for DV400EWHDWR

Page 1: ...tions 3 Disassembly and Reassembly 4 Troubleshooting 5 PBA diagram 6 Wiring diagram 7 Schematic diagram 8 Reference information Basic Model DV5471AEW XAA Model Name DV456EWHDWR DV456GWHDWR DV422EWHDWR DV422GWHDWR DV400EWHDWR HUDSON DRYER PROJECT Model Code DV456EWHDWR AA DV456GWHDWR AA DV422EWHDWR AA DV422GWHDWR AA DV400EWHDWR AA DV456 复件 Hudson_Dryer_SM_E indb 1 2012 4 2 15 20 47 ...

Page 2: ...ooting 26 4 1 Error items and diagnostic codes 26 4 2 Test mode 27 4 4 Symptoms diagnoses and actions 30 4 5 Component testing procedures 35 5 PBA Diagram 38 5 1 Main PBA 38 5 2 Detailed descriptions of contact terminals MAIN PBA 39 5 3 Sub PBA 40 5 4 Detailed descriptions of contact terminals SUB PBA 41 6 Wiring Diagram 42 6 1 Wiring diagram ELECTRIC DRYER 42 6 2 Wiring diagram GAS DRYER 43 7 Sch...

Page 3: ...rks of moisture on the electrical parts harness section etc 4 Replace the parts or remove the moisture 9 Check the assembly status of the parts after servicing 4 Maintain the status before servicing 10 Pull out the power cord by holding the plug 4 Be 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 ...

Page 4: ...1 Do not repair or replace any part of the dryer or attempt any service unless specifically 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 fire do not use extension cords or adapters to connect the dryer to electrical power source 13 Use the dryer onl...

Page 5: ...ctric 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 qualified 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 pow...

Page 6: ...ot 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 i...

Page 7: ...p Cycle removes odors adding that extra freshness to give more mileage to your clothes Time Saving 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 Energy Saving Samsung dryers are super energy efficient that you can dry up to 3 09 pounds of laundry with 1kWh Also both the large capacity and Fuzz...

Page 8: ...ions Model name DV456 DV422 DV400 Type Front loading dryer Dimension A High 43 86 111 4cm B Width 27 68 6cm C Depth with door open 90 49 80 126 5cm D Depth 29 96 76 1cm Weight 57kg Heater rating 5 300W 复件 Hudson_Dryer_SM_E indb 6 2012 4 2 15 20 48 ...

Page 9: ...s Towels Yes No No Perm Press Yes Yes Yes Delicates Yes Yes Yes Sanitize Yes Yes Yes Bedding Yes Yes Yes Wool No No Yes Manual Dry Time Dry Yes Yes Yes Air Fluff Yes No No Quick Dry Yes Yes Yes Wrinkle Release Yes Yes No Steam Cycles Refresh No No Yes Wrinkle Away No No Yes Option Selection Adjust Time UP DOWN UP DOWN UP DOWN My Cycle No No No Rack Dry No No No Wrinkle Prevent Yes Yes Yes of Temp ...

Page 10: ...6 _ Features and Specifications 2 4 Options specifications Item Code QTY Remarks MANUAL BOOK DC68 03170A 1 Default Inlay Holder Glass DC64 02819A 1 Default 复件 Hudson_Dryer_SM_E indb 8 2012 4 2 15 20 49 ...

Page 11: ...t set with 6 extention 14 mm 17 mm Fan 1 Roller Shaft 4 Wrench 8 mm Tool to fix 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 复件 Hudson_Dryer_SM_E indb 9 2012 4 2 15 20 49 ...

Page 12: ...e 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 复件 Hudson_Dryer_S...

Page 13: ...emove 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 复件 Hudson_Dryer_SM_E indb 11 2012 4 2 15 20 50 ...

Page 14: ...he 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 flat head screwdriver to remove the cover holder s cover hinge 9 Remove the 14 screws 2 screw L are longer than the other screws 复...

Page 15: ...456 DV422 Refer Figure 1 DV400 Refer Figure 2 Refer to the illustrations on the right to aid you in the assembly process 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 Chec...

Page 16: ...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 复件 Hudson_Dryer_SM_E indb 14 2012 4 2 15 20 50 ...

Page 17: ...od 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 复件 Hudson_Dryer_SM_E indb 15 2012 4 2 15 20 51 ...

Page 18: ...e 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 filter 8 Remove 2 screws from the Duct Oulet 复件 Hudson_Dryer_SM_E indb 16 2012 4 2 15 20 52 ...

Page 19: ...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 复件 Hudson_Dryer_SM_E indb 17 2012 4 2 15 20 52 ...

Page 20: ...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 复件 Hudson_Dryer_SM_E indb 18 2012 4 2 15 2...

Page 21: ...Panel Control the Main PCB the Cover Top the Frame Front the Drum Front and the Drum 3 Removal 6 Housing Heater Terminals 4 Remove 1 screw from the Heater 5 Separate the Heater from the Drum back 6 Remove 4 screws from the Thermostats Do not apply excessive force to the terminal 复件 Hudson_Dryer_SM_E indb 19 2012 4 2 15 20 53 ...

Page 22: ...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 screws from the Duct Connector 4 Remove 1 Housing Motor 5 Remove 1 Housing Belt Cut Off Switch 6 Remove 3 screws from the Motor Bracket 复件 Hudson_Dryer_SM_E indb 20 2012 4 2 15 20 54 ...

Page 23: ...tinued 8 Separate the Motor Assy at the Bottom Plate 9 Remove 1 Nut Fan CW to remove CCW to assemble 10 Remove the Fan 11 Remove 3 screws from the Cover Duct Fan 12 Remove the 2 Spring Plate 13 Remove the 1 screw Belt cut Off Switch 复件 Hudson_Dryer_SM_E indb 21 2012 4 2 15 20 54 ...

Page 24: ...10 _ Disassembly and Reassembly Part Figure Description Assy Motor Removal 14 Remove the Holder Shaft 15 Remove the Roller Idler 复件 Hudson_Dryer_SM_E indb 22 2012 4 2 15 20 54 ...

Page 25: ...ove the Panel Control the Main PCB the Top Cover the Frame Front the Drum Front and the Drum 3 Remove 7 screws from the Drum Back 4 Separate the wire in the Wire Holder 5 Separate the Drum Back from the Frame 6 Remove 4 screws from the Air Duct Be careful of the Bracket edge 复件 Hudson_Dryer_SM_E indb 23 2012 4 2 15 20 55 ...

Page 26: ...ove 1 screws from the Back Cover 3 Remove 1 screw from the Duct Exhaust In case the screws for fixing a power code are dropped into the dryer after removing Duct Exhaust you can put it out through the hole Reassembly procedures are in the reverse order of dissasembly procedures 复件 Hudson_Dryer_SM_E indb 24 2012 4 2 15 20 55 ...

Page 27: ...Disassembly and Reassembly _ 9 memo 复件 Hudson_Dryer_SM_E indb 25 2012 4 2 15 20 55 ...

Page 28: ...d run the dryer Loose or open wire terminals in Door Sense circuit dF Invalid door state for more than 256 milliseconds Check for Loose or open wire terminals in Door Sense circuit bE DV422 DV400 bE2 Invalid state of key circuit short for 30 secs Check for Display PCB key circuit short or not FE Invalid power source Frequency Check for Not using regular power source frequency Invalid power frequen...

Page 29: ... mode Dryer will display Sensor Bar data This mode is default mode of entering service mode How to Enter With Power On pressing Wrinkle Prevent and Temp Keys for 3 seconds Cycle Count Mode Definition of Cycle Count Mode This mode is to bring up the total number of cycles that User have carried out How to Enter To enter cycle count mode press the Wrinkle Prevent in Service Mode Software Version Mod...

Page 30: ...y plug 2 Since AC220 240V is applied to the triac T1 and T2 on P C B the electric shock may occur by touching Be careful the strong and weak electricity are mixed each other 3 As the P C B assembly is designed for no trouble do not replace the P C B assembly by the wrong diagnosis and follow the procedure of the trouble diagnosis when the micom is not operated normally No Problem What to do 1 Will...

Page 31: ...iter glows No gas ignition If the igniter heats up but the main burner flame is not ignited remove power and using an ohmmeter check the following Open secondary coil Open holding coil Open wire harness Stuck flame sensor Stuck closed 10 The gas is ignited but the flame goes out If a normal ignition takes place and after a short while the flame goes out check for the following Radiant sensor conta...

Page 32: ...e 1 Neutral Earth L2 L1 Connect the housing Check 120V for AC power Check the wire Replace the sub PBA Check DC power signal and key Encourage Ring terminals use but when use Spade terminals that confirm whether confirmed finish Is the input AC voltage normal Yes No Is the sub PBA normal Yes No Is the terminal block connection normal Yes No Is the housing connection normal Yes No Is the wire among...

Page 33: ... the power is unplugged 1 Check the belt cut S W and connected condition Normal Check whether it is 0Ω when the power is unplugged 2 Check the connected condition of the motor idler and drum belt Belt cut off S W Is the Start button on Yes No Is the connected condition of the belt normal Yes No Is the door closed properly Yes No Is the connection to the door S W normal Yes No Is the thermostat nor...

Page 34: ...check Is the vent properly installed Yes No Check the Safety Hi Limit thermostat Check the cause of safety being off Did you clean the filter before drying Yes No Is the terminal block connection normal Yes No Is the touch sensor normal Yes No Is the Tamp Sensor normal Yes No Is the safety Hi limit thermostat normal Yes No Is the heater normal Yes No Replace the thermistor Check the connection bet...

Page 35: ...operation of door S W Connect the power properly Check the connection between terminal block and door S W COM NO NC Replace the lamp Check for disconnection of lamp and socket DV456 Only Is the door S W structurally on off Yes No Is the power connection normal Yes No Is the lamp normal Yes No 复件 Hudson_Dryer_SM_E indb 33 2012 4 2 15 20 57 ...

Page 36: ... Yes 1 Check the rotating part of the idler Idler bracket bending bracket screw 2 Remove any alien particle on the wings of the fan Noise can be generated from the unbalance of the fan due to alien particle on the fan Check the tightened condition of the nut Is there an abnormal noise in the motor part No Yes 1 Noise from drum back and heater duct movement Change the contacting part and check the ...

Page 37: ...resistance 1Ω If resistance is infinity replace thermostat 2 Heater resistance 10 Ω If resistance is infinity replace Heater THERMOSTAT 2 THERMOSTAT 3 HEATER Measure resistance of the following terminal 1 Door switch Off Terminal COM NC 1 3 1Ω Terminal COM NO 1 2 Ω 2 Door switch On Terminal COM NC 1 3 Ω Terminal COM NO 1 2 1Ω Door S W 125V 10A Belt Cut off S W Lever open Resistance value 1Ω Lever ...

Page 38: ...te replace Igniter 120V 4 5A Gas Valve 25M01A Valve 1 2 Resistance value 1 365Ω Valve 1 3 Resistance value 560Ω Valve 4 5 Resistance value 1 325Ω If resistance is infinity replace Valve 120V 60 Hz 120A Thermostat 60T21 Hi Limit 230F 50F Resistance value 1 Ω If resistance is infinity replace Thermostat 120V 20A 60T21 2 88Ω between Pin 3 and 4 3 5Ω between Pin 4 and 5 复件 Hudson_Dryer_SM_E indb 36 20...

Page 39: ...nect harness and test Pink wire Pin 4 to Orange wire Pin 5 Approx Ω without laundry Approx 190Ω 10 with wet clothes Cycling thermistor Disconnect harness and test Blue wire Pin 3 to Red wire Pin 6 Approx 10 KΩ at 25 C 77 F CN6 6 1 复件 Hudson_Dryer_SM_E indb 37 2012 4 2 15 20 58 ...

Page 40: ...BA corresponding to the Display 3 CN3 MICOM FLASH CONNECTOR The connector that writes software onto the MICOM Location Part No Function 4 CN4 SENSOR CONNECTION CONNECTOR Connects the temperature sensor in order to detect the temperature of the heater 5 CN6 SET GROUND CONNECTION CONNECTOR The connector connecting the Dryer Set and the ground of the PBA 6 RY7 HEATER1 OPERATION RELAY The relay that t...

Page 41: ...tor Relay Switch CN6 1 SET GND CN1 1 AC Power Port 2 Door Detection Sensor 3 Motor Switch Sensor CN2 1 Communications Port Rx 2 Communications Port Tx 3 SUB RESET 4 5V 5 DGND 6 12V CN3 1 5V 2 SO 3 SI 4 RESET 5 CLOCK 6 FLMDO 7 DGND 8 Empty Pin 1 3 g 6 1 g 8 1 g 7 1 g CN4 1 DGND 2 5V 3 TEMP Sensor1 4 Fabric Detection Sensor 5 Fabric Detection Sensor 6 5V 7 TEMP Sensor2 复件 Hudson_Dryer_SM_E indb 39 2...

Page 42: ...Part No Function Description 1 MCU CN11 Connect Main PBA Receives power from the Main PBA and provides a communications function 2 BZ1 BUZZER Generates sound when the Menu key is pressed the Encoder operates and the menu is closed 3 CN1 Connect Lamp 1 2 3 复件 Hudson_Dryer_SM_E indb 40 2012 4 2 15 20 58 ...

Page 43: ...scriptions of contact terminals SUB PBA CN1 1 12V 2 Empty Pin 3 TUB_LIGHT CN11_MCU 1 Communications Port Tx 2 Communications Port Rt 3 Outputs the Reset Signal 4 5V 5 GROUND 6 12V 3 1 6 1 复件 Hudson_Dryer_SM_E indb 41 2012 4 2 15 20 58 ...

Page 44: ...IC DRYER This Document can not be used without Samsung s authorization Reference Information BLK BLACK BLU BLUE GRN GREEN GRY GRAY NTR NATURAL ORG ORANGE PNK PINK RED RED SKYBLU SKYBLUE VIO VIOLET WHT WHITE YEL YELLOW 复件 Hudson_Dryer_SM_E indb 42 2012 4 2 15 20 58 ...

Page 45: ... BLU BLUE GRN GREEN GRY GRAY NTR NATURAL ORG ORANGE PNK PINK RED RED SKYBLU SKYBLUE VIO VIOLET WHT WHITE YEL YELLOW 6 2 Wiring diagram GAS DRYER This Document can not be used without Samsung s authorization 复件 Hudson_Dryer_SM_E indb 43 2012 4 2 15 20 58 ...

Page 46: ...44 _ Schematic Diagram 7 Schematic Diagram 7 1 Main control This Document can not be used without Samsung s authorization 复件 Hudson_Dryer_SM_E indb 44 2012 4 2 15 20 59 ...

Page 47: ...Schematic Diagram _ 45 7 2 Sub control This Document can not be used without Samsung s authorization 复件 Hudson_Dryer_SM_E indb 45 2012 4 2 15 20 59 ...

Page 48: ... Neat White WR ULTRA INOX SU Code PJT HA Orca HD Hudson HF Hudson2 8 Reference 8 1 Model Number Naming Rules Product Type Capacity Feature Project Outside Color Buyer Feature 1 Feature 2 Feature 3 Platformor Series Sub Plat or Ver W F 4 7 9 D R V A W D A A Drum Washer W F Ex 7 5 kg 75 10 kg 10 5 0cuft 50 Project Feature Table Project Code Table Color Code Table CBU U SKD 1 Service Ver Buyer Code T...

Page 49: ...STECH 25 10KOHM 40 105 B 3945K 10 POWER CORD DC96 00038G YUEHUA 125V 13A THERMOSTAT DC47 00017A TOD 120V25A 230 open 180 close MICRO S W 3405 001077 DECO 125V 16A HEATER IGNITER DC47 00022A UNIQUE SPECTRONICX 120V 40 400Ω 40 400Ω SENSOR RADIANT DC32 00008A THERM O DISC 120V 5 75A 10RS 12 20s open 26 40s close VALVE GAS DC62 00201A WHITE RODGERS GD PJT 3WAY MAX 10BAR NTR 120V 50 60Hz INCH 1365Ω 560...

Page 50: ...ic law 2012 Samsung Electronics Co Ltd All rights reserved Printed in Korea Code No DC68 02880A GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual ...

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