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Samsung WF42H5000AW, Service Manual

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Samsung WF42H5000AW Service Manual Download Page 26

24 _ Troubleshooting

4-2.  CoRReCTIve ACTIoNS FoR eACH eRRoR CoDe

► 

These

 are

 co

mmon

 troublesh

ooting

 procedures

 for

 each

 drum

-type

 washer

 error

 mode.

 For

 detailed

 information,

 refer

 to

 the

 general

 repair

 scripts.

error T

ype

error Mode

Causes

Corrective Actions

Description of Photo

Le

D

LCD

W

ater

 Level

 

Sensor

LE

• 

W

ater

 level

 sen

sor

 fault

• 

Incorrect

 connections

 of

 

the

 water

 level

 sensor

 

terminal

• 

The

 hose

 part

 for

 the

 

water

 level

 sensor

 is

 

folded.

• 

Main

 PCB

 fault

• 

Check

 the

 water

 level

 sensor

 term

inal

 

connections

 and

 contacts.

• 

An

 error

 occurs

 if

 an

 incorrect

 water

 

level

 sensor

 is

 used.

 Make

 sure

 to

 

check

 the

 material

 code.

 (Abnormal

 

operation)

• 

If 

the

 water

 level

 sensor

 is

 faulty

, 

replace

 it.

• 

If 

the

 error

 persists

 despite

 taking

 the

 

action

 above,

 replace

 the

 PBA.

Check

 the

 water

 level

 sensor

 

frequency

.

- 

Check

 it

 after

 th

e 

water

 level

 

sensor

 and

 the

 connector

 are

 

connected.

- 

Frequency:

 Approx.

 26.4

 KHz

 

with

 no

 load

W

ashing

 Motor

 

Error

 and

 Hall

 

Sensor Error

3E

E3

bE

• 

W

ashing

 motor

 fault

• 

W

ashing

 motor

 hall

 sensor

 

fault

• 

Incorrect

 connections

 of

 

the

 washing

 motor/hall

 

sensor connector

• 

W

ashing

 motor

 rotor

 and

 

stator

 fault

• 

Main

 PCB

 fault

• 

Check

 the

 motor

 connector

 termin

al

 

connections

 and

 contacts.

• 

3E

 is

 displayed

 because

 overload

ing

 

occurs

 due

 to

 too

 much

 laundry

.

• 

If 

the

 hall

 senso

r terminal

 is

 faulty

, 

replace

 the

 hall

 sensor

.

• 

Check

 whether

 the

 stator

 of

 the

 m

otor

 

cover

 is

 damaged.

• 

Check

 for

 coil

 disconnections

 due

 to

 

foreign

 material.

• 

If 

the

 P

BA

 control

 circuit

 is

 faulty

, 

replace

 the

 PBA.

► 

DD

 MOT

OR

Check

 the

 resistance

 on

 the

 

main

 PCB

 motor

. (Between

 pins

 

1 

and

 3,

 and

 1

 and

 4

 of

 the

 four

 

(4)

 pins)

- 

Resistance:

 Approx.

 2

 to

 4

 

MΩ

- 

Check

 the

 voltage

 when

 the

 

power

 is

 on.

► 

UNIVERSAL

 MOT

OR

Check

 the

 Resistance

 of

 Nos.1

 

and

 4

 of

 the

 wire

 pin

 on

 the

 side

 

of

 the

 T

ACHO

 SENSOR.

- 

Resistance:

 Approximately

 

40

 to

 45

 Ω

 (Normal)

► 

THREE

 PHASE

 MOT

OR

Measure

 the

 Resistance

 of

 Nos.

 

2 

and

 3

 of

 the

 wire

 pin

 on

 the

 

side

 of

 the

 HALL

 SENSOR.

- 

The

 revolution

 of

 the

 drum

 

needs

 to

 be

 reproduced.

 

(T

urn

 the

 drum

 by

 hand.)

- 

Resistance:

 Approximately

 3

 

to

 12V

 (V

oltages

 may

 dif

fer

 

depending

 on

 the

 speed

 of

 

the

 revolutions.)

Summary of Contents for WF42H5000AW

Page 1: ...HINE DRUM TYPE Basic Model WF405ATPAWA A2 Model Name WF42H5000AW WF5000HA PJT Model Code WF42H5000AW A2 WF5000HA PJT 1 Safety Instructions 2 Features and Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 PCB Diagram 6 Wiring Diagram 7 Reference ...

Page 2: ...Disassembly and Reassembly 10 3 1 Tools for disassembly and reassembly 10 3 2 Standard disassembly drawings 11 4 Troubleshooting 19 4 1 Error modes 19 4 2 Corrective actions for each error code 24 5 PCB diagram 30 5 1 Main PCB 30 5 2 Connector and Relay Port Part Detailed Manual Main PCB 31 5 3 Sub PCB 32 5 4 Connector Port Part Detailed Manual Sub PCB 33 6 Wiring diagram 34 6 1 Wiring diagram 34 ...

Page 3: ...e to disconnect the power plug before servicing Failing to do so may result in a risk of electric shock Do not allow consumers to connect several appliances to a single power outlet at the same time There is a risk of fire due to overheating When removing the power cord make sure to hold the power plug when pulling the plug from the outlet Failing to do so may damage the plug and result in fire or...

Page 4: ...kage AFTER SERVICING Check the wiring Ensure that no wire touches a rotating part or a sharpened part of the electrical harness Check for any water leakage Perform a test run for the washing machine using the standard course and check whether there is any water leakage through the floor section or the pipes Do not allow consumers to repair or service any part of the washing machine themselves This...

Page 5: ... not press a control button using a sharp tool or object This may result in electric shock or damage to the product WHILE SERVICING When wiring a harness make sure to seal it completely so no liquid can enter Make sure that they do not break when force is exerted Check if there is any residue that shows that liquid entered the electric parts or harnesses If any liquid has entered into a part repla...

Page 6: ...tlet and measure the insulation resistance between the power plug and the grounding wire of the washing machine The value must be greater than 10MΩ when measured with a 500V DC Megger Check whether the washing machine is level the floor with respect to the original position of the washing machine prior to service By doing this now will reduce for the need of customer dissatisfaction and redo call ...

Page 7: ...pecially designed to remove detergent residue and dirt buildup in the tub diaphragm and on the door glass without the need for special chemical detergents The cycle is run without clothes Deep steam The Deep Steam feature boosts cleaning performance and loosens grime and dirt thus providing superior cleaning results The Large Capacity Maximum Capacity Time energy Saving King Size comforter with ot...

Page 8: ...e drum serves as a washboard dramatically increasing the washing performance compared with existing drum washing machines which uses the power of the difference in elevation only The size of holes has been reduced drastically maintaining the optimal wash performance Washing Cost 1 0 while saving on water and electricity required for washing The structure of the holes on the diamond drum was redesi...

Page 9: ...hes mm A High Overall 38 7 984 B Width 27 0 686 C Depth with door open 90º 51 2 1300 D Depth 33 0 838 Water pressure 20 116psi 137 800kPa Weight 88kg 194 lb Heater Rating 900 W Power consumption Washing 120 V 300 W Washing and heating 120 V 1200 W Spin 120 V 700 W Drain 120 V 80 W Spin revolution 1200 rpm A B D C ...

Page 10: ...Motor type DD Motor DD Motor Max RPM 1 200 1300 VRT Yes Yes heater 900w Yes Yes Diamond Drum Yes Yes Washing Cycle 9 13 Delay wash 24hrs 24hrs Tilted Drum 10 10 Sound Pressure Ave 58dBA Ave 56 3dBA Target performanece MEF 3 2 3 2 WCF 2 9 2 99 kWh year 93 kWh year 95 kWh year Design control Display LED G LED Frame Color Refined wine W White P Stainless platium Dimension 27 0X 33 0 X 38 7 27 X 32 3 ...

Page 11: ...NER DC60 40146A 1 Default ASSY HOSE WATER DC97 15648A 1 Default ASSY HOSE WATER DC97 15648B 1 Default MANUAL USERS DC68 03397A 1 Default CAP FIXER DC67 00307A 5 Default HOSE HANGER DC62 10278A 1 Default Note Customer can purchase additional water supply and drain hoses from a service center ...

Page 12: ...oles of each left and right of the shock absorber 1 Pulley hole Open End wrench 10mm 13mm 19mm Replaceable for the box driver Since the bolt runs idle when the box driver is used use the box driver 17mm Vice pliers Tool to protect the idle and abrasion of the bolt for the box driver Others Driver Nipper Long nose General tools for the after service JIG for the Tub 1 Disassemble and Assemble ...

Page 13: ... reassembling the product Part Figure Description ASSY COVER TOP 1 Remove the two screws holding the Top Cover at the back of the unit 2 Remove the top cover by lifting it up after pulling it back about 15mm Noise filter Water valve Sensor pressure 3 With the top cover removed you will now have access to service the Water pressure sensor EMI Noise Filter Hot and Cold Water Valves Hose Draw ASSY ...

Page 14: ...ws at the top of the ASSY PANEL CONTROL 2 Hold the ASSY PANEL CONTROL while pulling it upwards and release the hook to remove it 3 Carefully disconnect the two wiring connectors by hand 4 Remove the 8 screws holding the PCB and release the hooks on both sides to remove the PCB for repair replacement ...

Page 15: ...iaphragm with the Long nose from the Front Frame 1 Remove the Diaphragm 2 Remove the 4 screws holding the FRAME FRONT 3 Remove the 2 screws holding the bottom of the FRAME FRONT 4 Untie the hose 5 Remove the 3 screws 6 Push both hooks 7 Disconnect the terminal for the DOOR LOCK switch ...

Page 16: ...holding the Back Cover at the back of the washing machine DD MOTOR 1 Remove the one bolt for the DD Motor 2 Remove the 6 screws WATER SUPPLY VALVE 1 Remove the Top Assy Plate 2 Disconnect the 5 water valve connectors 3 Remove the 4 screws securing the Hot and Cold water supply valves ...

Page 17: ...ile a force is imposed on the water lever sensor as directed in step 1 pull the hook A in the direction of the arrow until it is removed from the bracket spring B 3 Impose a force slowly in the direction of the arrow designated in the figure on the left until the hook B is removed Then remove the water level sensor Assembly 1 Connect the pressure hose to the body of the water level sensor and lock...

Page 18: ...the Holder Glass and replace the hinge DRAIN PUMP 1 Push the Cover Filter downwards to release the latch 2 Drain the remaining water through the drainage hose Be sure to use a small bowl to collect the water collected from the drain hose 3 Separate the Drain Filter by turning it counterclockwise Since the remaining water may flow out place a bowl underneath it when separating the filter ...

Page 19: ...oints for Troubleshooting 1 Separate the Drain Filter and check for any alien substances inside the pump e g coins buttons etc Remove if found 2 Check the wire connector for the Drain Pump ASSY hasn t come loose Reconnect if necessary 3 When water leaks check the assembly status of the Clamp Hose and Cap Drain Take the relevant countermeasure if necessary Turn the filter cap counterclockwise clean...

Page 20: ... Remove the screw holding the Door Lock S W Remove the Door Lock S W Remove the connection wire Remove the connector after releasing it by pressing the latch Heater 1 Remove the 3 bolts from the balance weight 2 Seperate the Connection Housing 3 Remove the nut holding the heater and the heater 3 Remove the heater from the Tub Caution Make sure to insert the Heater into the correct position of the ...

Page 21: ...tc bE This occurs due to erroneous operating signals from the motor hall sensor The IPM terminal of the main PBA is not connected The DD motor cover is out of place The PCB housing terminal is not connected PBA fault DD motor fault Water Supply Error nF Foreign material is entering the water supply valve The water supply valve terminal is not connected Wire disconnected The warm water and rinse co...

Page 22: ...that a power failure has occurred Communication Error AE The signals between the sub and main PBAs are not sensed because of commuication error Check the connector connections between the sub and main PBAs carefully Check for incorrect or loose connections etc Remove the sub PBA C Panel and check for any faulty soldering Switch Error Main Relay Error E2 The Power button is pressed continually for ...

Page 23: ...er the door open operation dL During operation This occurs in the Boil wash because the door is pushed due to a pressure difference from internal temperature changes When the door is not locked after the door close operation LO Unlock Fail The door lock switch terminal is connected incorrectly The door lock switch terminal is broken This occurs intermittently because of an electric wire leakage Ma...

Page 24: ...too much detergent Water leakage occurs because the connecting hose to the detergent drawer is connected incorrectly The drain pump filter cover is engaged incorrectly Water leakage occurs at the drain hose The duct condensing holding screws are worn The nozzle diaphragm is engaged in the opposite direction or the rubber packaging is omitted Water leakage occurs because the screws that hold the tu...

Page 25: ...is occurs when too much foaming is detected It is also displayed while foaming is removed When the removal is finished the normal cycle proceeds Sud or SUdS is displayed when too much foaming is detected and End is displayed when the removal of the foaming is finished This is one of the normal operations It is an error for preventing non sensing faults System Error SF In case of EEPROM deteced In ...

Page 26: ...Sensor Error 3E E3 bE Washing motor fault Washing motor hall sensor fault Incorrect connections of the washing motor hall sensor connector Washing motor rotor and stator fault Main PCB fault Check the motor connector terminal connections and contacts 3E is displayed because overloading occurs due to too much laundry If the hall sensor terminal is faulty replace the hall sensor Check whether the st...

Page 27: ...lve diaphragm 3 If the water supply valve filter is clogged clean filter Drain Error nd Drain pump fault Freezing in the winter season Foreign materials in the drain pump Main PCB fault Check whether the revolutions of the drain pump motor are restrained by foreign material Check the same thing for the natural drain process Check the wire connectors on Main PCB and Drain Pump ASSY The connector or...

Page 28: ...d A button other than the Power button is continually pressed Main PCB relay fault Check whether either the Power switch or a tact switch is continually pressed Check whether the service PBA holding screws are fastened too tight If they are fastened too tight loosen them a little If the main PBA switching IC on off error has occurred replace the main PBA The E2 error occurs if the main relay conne...

Page 29: ... it is detected that the door is open close the door The 120V is directly connected to the door Check and repair the power wire connections and insulation state Check the door switch Replace if faulty Check the main PBA door sensing circuit Replace if faulty TYPE 1 1 Check the door switch Resistance 2 The resistance of 1 and 3 Pin Must be approximately 125Ω dL LO TYPE 2 The resistance of Nos 3 and...

Page 30: ...n A and B It should be 16 05 0 65Ω BACK C TYPE 2 If TYPE 1 is OK Change a wash thermistor at back of Tub Water Leakage Error LE Check for any leakage Foreign material in the DV case Fault of a hose or incorrect part engagement in the product Check for any leakage on the base Hose Valve and Tub connections and take any required action During natural draining this error occurs because the drain bell...

Page 31: ...onnections of the dry condensing sensor Main PCB fault Freezing in the winter season Check the connections for the washing heater temperature sensor connector If the washing heater temperature sensor has a functional error replace it A tE error occurs Check the connections for the dry heater temperature sensor connector If the dry heater temperature sensor has a functional error replace it Check t...

Page 32: ...PBA and provides a communications function Location Part No Function Description 7 CN5 Smart dispenser Connection Port Supply power to the dispenser PBA and provides a communications function 8 CN6 Sensor Connection Port Supply power to the sensor and provides a communications function 9 CN4 LCD PBA Connection Port Supply power to the LCD PBA and provides a communications function 10 CN9 Smart tes...

Page 33: ... 11 Inverter Communications signal 12 Inverter Communications signal 13 Ground CN6 1 Ground 2 Door SW signal 3 Leakage signal 4 DRY_AIR_TEMP signal 5 DRY_CON_TEMP signal 6 Water TEMP signal 7 Water Leakage out signal 8 Water Leakage in signal CN1 1 L line 2 Door signal CN10 1 Actuator signal 2 Door lock signal 3 Door unlock signal 4 Circulation pump signal 5 Drain pump signal 6 Cold valve signal 7...

Page 34: ...Communication Communication with MAIN 2 CN2 Hall Sensor Sensing Hall signal 3 CN6 Motor Output MOTOR 3 Phase Output 4 CN5 AC Power Source Supply AC Power 5 CN4 JTAG Connector Debugging connector Deleted in massproduction 6 CN3 Flash Writing Port Writing Flash memory 5 5 6 4 3 2 1 ...

Page 35: ...tions signal 2 MAIN Communications signal 3 Ground CN2 1 5V 2 HALL A sensor signal 3 HALL B sensor signal 4 Ground CN6 1 Motor signal U 2 Motor signal V 3 Motor signal W CN5 1 L line 2 N line CN4 1 5V 2 Reset signal 3 nTRST signal 4 TDI signal 5 TDO signal 6 TCK signal 7 TMs signal 8 Ground ...

Page 36: ...rated the menu is closed 2 CN601 SUB PBA LED DISPLAY Wire Connect Connect the LED and DISPLAY 3 CN701 Drum Light Turn on when door is opened 4 CN401 FLASH WRITING WRITING PROGRAMME TO SUB 5 CN201 GRAPHIC PBA Connection Port For communications with Graphic PBA 6 CN402 TOUCH PBA COMMUNICATION SUPPLY POWER TO TOUCH PBA AND COMMUNICATION TO SUB PBA 2 1 6 4 3 5 ...

Page 37: ...x 3 Reset Signal input 4 5V 5 GROUND 6 12V 7 Empty Pin 8 POWER_SWl 9 Water level Signa 10 Empty Pin CN601 1 Empty Pin 2 Led Signal 3 Led Signal 4 Led Signal 5 Led Signal 6 Led Signal 7 Led Signal 8 Led Signal 9 Led Signal 10 GROUND 11 JOG Signal 12 JOG Signal 13 Empty Pin CN402 1 12V 2 GROUND 3 SDA1 4 SCL1 5 Empty Pin ...

Page 38: ...36 _ Wiring Diagram 6 Wiring diagram 6 1 Wiring diagram 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 ...

Page 39: ...de 42 H 5 0 0 0 W Buyer Code Capacity 7 5 kg 75 10 kg 10 5 0 cuft 50 A DV Dryer F 13year H 14year J 15year K 16year 1 Entry 6 Mid 2 Entry 7 High 3 Entry 8 High 4 Mid 9 High 5 Mid Color W WHITE G Gray S SILVER Region or Type A N America L L America E Euro R CIS M M E Asia F Africa S S E Asia H India C China J Japan K Korea G Global Product Project Define by Feature Table Sheet ...

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