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Samsung Potomac-PJT WF393, Руководство по ремонту

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Samsung Potomac-PJT WF393 Скачать руководство пользователя страница 38

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# Service Mode 

 Service mode enables service technicians to verify the operation of washing machine  
 and do troubleshooting.  
 Service mode can be entered during all washing cycle without interrupting the cycle  
 except some of test modes. 
 - The washer must be on to go into the Service mode. 
 - When you enter Service mode, you can see motor spin RPM. 

 

# Quick Spin Test Mode 

 You can check motor spinning on quick spin test mode.  
 As it enters into quick spin test mode, it starts spinning and reaches to its maximum 
RPM. 
 When motor is not spinning, you can enter into quick spin test mode. 
  

 

# Board Input Test Mode 

 Board input test mode is to display a specified input. 
 As it enters into board input test mode,   
 Clockwise direction turn jog-dial so that the LED turns on and press the start / pause 
button. 
  

 

Course Normal LED 

2

nd

 LED 

3

rd

 LED 

4

th

 LED 

5

th

 LED 

Display  Water temp. 

(℃) 

Water temp. 

(℉) 

Door status 

(OP:open, 

CL:close) 

Door lock S/W 

status 

(UL:unlock 

LO:lock) 

Water 

Frequency 

# Diagnostic Mode 

 You can check what error codes have occurred through diagnostic mode. 
 When you enter into diagnostic mode, ‘d’ is displayed. 
 And if you turn jog-dial in a clockwise or counter-clockwise,  
 you can see error codes that have happened recently.

 

Next Page 

Содержание Potomac-PJT WF393

Страница 1: ... 1 39 HA Repair Guide Front Load Washer Potomac PJT WF393 WF395 WF405 ...

Страница 2: ...Vibration Noise Vibration Noise Water Leakage Leakage Water Supply No Power Improper Operation Error Mode Error mode Test mode Diagnosis Circuit Diagram PBA Appendix Potomac PJT Repair Guide WF393 WF395 WF405 ...

Страница 3: ...llation defect Leg level installation check Non Slip Pad Unattached Moving Pad Pan Drain 1 3 Level installatio n Non Slip Sheet Installatio n Spin Noise 1 Shaft Frame Rotor friction during spinning mode Tub Bearing rust Frame friction 1 4 Motor Rotor Tub Bearing Frame 2 Motor defect Spin mode Stator check Diagnosis of motor Coil Hall sensor check 1 5 Motor Stator Hall S S 3 Pump Drain defect Pump ...

Страница 4: ...ly Check for abnormal noise Set moving Step 3 Oil leakage of Balancer Rotate Spin Basket to check frictional noise between balls If the frictional noise is dull it is regarded as OK Abrasion of Weight Balancer Check if Weight Balancer shakes Gap is created if the screw head of fixing bolt wears out Couple more OR replace it Check the concentration of Spin Basket Check if Spin Basket moves up and d...

Страница 5: ...replace Check the condition of loosening of Damper connection The shape of connected part of Bottom Plate is defective and thus it does not rotate properly It does not rotate properly because it was connected too much in the assembling process When it does not rotate properly Dda dda dda noise is generated due to friction between Damper Bottom Plate Thus do as in What to do when Damper connection ...

Страница 6: ...pedestal check if all bolts connecting washer and pedestal are tightened properly Condition of levelness of Leg installation If the rubber of legs is damaged replace it Lower leg is better for vibration Shorten the leg height and lock up the legs after adjustment Check if washer inclines to one side and level washer again with adjustment of legs Environment with slippery floor Tile Moisture Attach...

Страница 7: ...Signal Power to enter the Test mode Turn knob and select SPn to start Check if Extra High LED of Spin is reached If the tub is rotating empty without load check the roaring sound during high speed rotation In the case of abnormal noise or Bearing abnormality replace Tub back Step 3 Check frictional noise between parts of Frame Shake the Tub back and forth to check where the noise is coming from In...

Страница 8: ...ontact fail caused by the opening of Pin inside the terminal Step 2 Check of Resistance motor U V W The Resistance approximately 11Ω Check the Hall Sensor Check of ⓐ VCC PNK and ⓓ GND ORG The Voltage approximately 5 0V Check of ⓑ U RED ⓒ V BLU and ⓓ GND ORG The Voltage approximately 0 1 2v Pulse Rotor the slow turning by manually Replace the Motor Check Point Check the operating condition of Motor...

Страница 9: ...als such as coins pins etc Check pump drain impeller is broken Step 3 Check if the fixing part of Pump Case is loosened Check if the two bolts fixing Frame Plate bottom are loosened Check if the fixing part of Pump Case front is loosened Assemble the Pump Case again One assembly part of Pump Case front is loosened Frictional noise is generated due to vibrating up and down Assemble Pump Case again ...

Страница 10: ... If the Ball in the Balancer makes strong frictional noise while checking Tub then it means that the oil is leaking Thus replace Spin Basket Check Point Explain the NDF and product characteristics Tip 1 7 Explanation of NDF and product characteristics Step 1 Small Loads Case If loading the laundry whose weight is 1kg 0 5kg it is easily inclined to one side Add more laundry to make it normal Step 2...

Страница 11: ...mbly bad Freezing in the winter 2 2 Water supply valve Water supply hose Pipe Water Leakage 1 Detergent drawer leakage Wrong powder used Hose separation friction Detergent drawer does not open close smoothly 2 3 Nozzle Detergent 2 Tub related leakage Heater assembled wrong Tub damage Diaphragm leakage User wrong usage 2 4 Tub Heater Diaphrag m 3 Pump leakage Pump Drain hose Pump Case Drain hose Ha...

Страница 12: ...mitted or worn out Check if water leaks from Y Joint unit Apply more Seal Taping to water supply parts If water leaks due to installation environment outside the product check out Step 3 Step 3 Hose is bent during installation Since the product rear is too close to the wall hose is bent and friction occurs Thus water leaks 6 in 152mm is recommended for the distance between the product rear and the...

Страница 13: ...ter leaks a little due to separation of internal Packing Check for water leaking part of water supply valve Water leaks due to continuous water supply because foreign substance enters inside Water supply valve body is damaged and thus water leaks Packing is not connected properly and thus water leaks If the noise or operation is not normal check step 3 Step 3 Water supply valve Body Damage Body of...

Страница 14: ... connecting part Check if it is separated when hand pulled Make connection after washing the oil substance out the hose Abrasion of detergent U trap hose Make the hose ring connecting part located at the end Check for jamming phenomenon when opening closing detergent drawer When jamming occurs during opening closing Siphon phenomenon of fabric softener occurs due to impact Check if rear projection...

Страница 15: ...age of Diaphragm Adhesion reduces due to one sided connection of Diaphragm Order of Door water leakage check Check if the rear shipping bolts are removed Check after running 3 cycles in normal course Remove wire from the front Diaphragm and re assemble Step 3 Water leaks from the Diaphragm of Door bottom Case 1 Water leaks due to hair lint Case 2 Damage due to pet dog sharp accessories Case 3 Jamm...

Страница 16: ...mp of Case All hoses connecting to pump should be checked Drain Hose Damage Check if there are holes on drain hose Check for any leaks in the drain hose Check for the environment which causes drain hose friction due to appliance vibration at the rear Step 2 Check if there is leakage at the debris filter and the drain cap Check parting lines and crack on pump case Check Point Check the condition of...

Страница 17: ...ains continuously As in the warning label re install it without disassembling the drain hose fixing part Then explain how to use it Step 3 Drain filter is not assembled properly when opening closing it Sand tiny foreign substance etc in laundry accumulate in drain filter thus water is not drained Water leaks when opening closing the Handle Filter because it is not assembled properly Explain how to...

Страница 18: ...ld Hot water Clean foreign substance in Pipe filter 3 3 Water supply hose installation Filter Water supply valve 2 Weight sensing defect Weight sensing course Motor unit constraint Laundry 3 4 Washing motor Hall센서 PBA 3 Water level sensing defect Water level hose Puncture Water level hose clogging Water level sensor breaks Water level frequency check 3 5 Water level hose Water level sensor Deterge...

Страница 19: ...place the EMI Filter Step 3 Check AC power supplied to Main PBA Measure AC voltages of Power Relay 1 d WHT CN 6 BLU terminals AC 120V OK Replace PBA NG Check the voltage of Sub PBA Check DC power supplied to Sub PBA Measure AC voltages of CN 7 ORG CN 7 BLK terminals AC 120V OK Replace the Harness NG Replace the Sub PBA Check Point Check the condition of Power Cord Fuse EMI Filter Tip 3 1 No Power ...

Страница 20: ... the user usage install condition for Unbalance and the motor condition Tip 3 2 No Spin Abnormality ⓓ ⓐ ⓑ ⓒ 0 1 2v Step 1 Small Loads Case If loading the laundry whose weight is 1kg 0 5kg it is easily inclined to one side Add more laundry to make it normal Step 2 Unbalance of laundry Stop using Water Proof Sheet Mats and clothing Do not input the laundry listed above since water does not drain dur...

Страница 21: ...r of valve The upper core of water supply valve is heaved Body Crack Check the resistance of both ends of water supply valve Maintain 1 0 for coil resistance If O L replace the valve Step 3 Check the power supplied from PBA Press the power button while holding Soil Signal Test mode Turn knob to enter tSt mode Operate the Temp button to make valve work gradually Measure the power supply for water s...

Страница 22: ...tory Selectable for Other course Step 2 Incorrect weight is sensed due to Hall Sensor feature defect Check of ⓐ VCC PNK and ⓓ GND ORG The Voltage approximately 5 0V Check of ⓑ U RED ⓒ V BLU and ⓓ GND ORG The Voltage approximately 0 1 2v Pulse Rotor the slow turning by manually Replace the Motor Check Point Check the condition of Motor weight sensing Tip 3 4 Weight Sensing Abnormality ⓓ ⓐ ⓑ ⓒ 0 1 2...

Страница 23: ...e frequency measurement malfunctions due to incomplete insertion of water level sensor terminal Check the water level hose sensing Water level hose is punctured due to outside damage The frequency does not rise during water supply which is mistakenly considered as water leakage due to Tub damage Thus water supply stops SVC Rules Do not adjust the bolt at the top of water level sensor Do not adjust...

Страница 24: ...eof increases Thus explain to the customer the caution phrase of detergent manufacturer how to dissolve it in water Guide phrase by manufacturer by detergent feature Step 3 Explain to the customer after SVC Explain that use of highly enriched or Gel type detergent should be limited Check Point Check the condition of Detergent Bleach Tip 3 6 Detergent Residue Abnormality Caution If Product freezes ...

Страница 25: ...he next cycle stage press the Temp key Each stage is located at key points of a complete cycle as follows End of Each Fill Beginning of Wash or Rinse Tumble Session Caution Check if the current water level is higher than the Reset water level and then perform the Fast time down test Beginning of Drain Session Beginning of Spin Session Here it checks the water level So if it is over the reset level...

Страница 26: ...e power of drain pump Clean the filter of drain pump IE Sensor fail Water Sensor Measure the water level frequency during stand by OE Water over flow Continuous water supply from water supply valve Too much foam from normal detergent LE Water Leakage Water level sensor Water level hose Punk Tub Leakage Suds Suds Detergent Excessive foam from normal detergent 3E Wash Motor Washing Motor Wire Connec...

Страница 27: ...sure the resistance of sensor temperature Hr Not Heater Check the PBA working Heater Check the voltage supplied to Heater nf1 Water Hose Connection Cold Hot water supply hoses are not assembled correctly LO Door Will nor Unlock Check if PBA Door Lock works Measure the resistance of Door Lock FL Fail to Lock Check if PBA Door Lock works Measure the resistance of Door Lock DS Door is Open Door Open ...

Страница 28: ...ve The upper core of water supply valve is heaved Body Crack Check the resistance of both ends of water supply valve Maintain 1 0 for coil resistance If O L replace the valve Step 3 Check the power supplied from PBA Press the power button while holding Soil Signal Test mode Turn knob to enter tSt mode Operate the Temp button to make valve work gradually Measure the power supply for water supply va...

Страница 29: ... BLU and CN1 VIO The Voltage approximately AC120v CN 1 Reference Table for Load measuring Point Step 2 Small foreign materials When water is draining through drain hose small foreign materials could drain with water because there is no filter So it can make a little bit of noise but it is not a problem Check if pump drain impeller is broken Check Point Check the condition of Pump Hose Tip 4 2 nd E...

Страница 30: ... The Voltage value 1 6v If the value is not normal replace the PBA Step 2 OE SUdS Check Customer uses too much of normal detergent It is filled with foam inside because the user uses too much of normal detergent for Top Load washers Explain the recommended amount of he mark detergent for front load washers to be used If water is continuously supplied due to water supply valve leakage Replace the w...

Страница 31: ...eck the drain hose in Step 3 Step 2 If LE error occurs run check Leakage of Punk in Water level sensor Replace the water level sensor Leakage of Split in Water level sensor Replace the water level sensor Air Leakage due to Puntured Water level hose Replace the water level hose Step 3 Drain Hose Install Check If drain hose is inserted too deeply into drainage adjust it not to sink to water in drain...

Страница 32: ...ximately 5 0V Check of ⓑ U RED ⓒ V BLU and ⓓ GND ORG The Voltage approximately 0 1 2v Pulse Rotor the slow turning by manually Replace the Motor Step 3 2E Check Check the Motor Supply Voltage of PCB CN5 1 2 3 and RY1 2 BLU The Voltage approximately AC152V Replace the PBA Check the Supply Voltage of Power If the voltage is approximately 120V Check if the reactor wire connection Replace the Power Ch...

Страница 33: ...ence on vibration Check the washing motor and the hall sensor Tip 4 5 Check Point Check the Unbalance customer usage condition install the motor condition Tip 4 6 dC Error Abnormality Step 1 Small Loads Case If loading the laundry whose weight is 1kg 0 5kg it is easily inclined to one side Add more laundry to make it normal Step 2 Unbalance of laundry Stop using Water Proof Sheet Mats and clothing...

Страница 34: ...l level button to work Heater While heater is working check the voltage The Voltage value approximately 120V If the value is not normal replace main PBA Step 3 nF1 Check if the Cold Hot water supply valves are switched during installation Check Point Check the operation of Thermistor Heater Tip 4 7 tE Hr nF1 Error Abnormality Check 온도 R_max R_min 20 4 493 4 481 3 10 14 279 1 273 0 0 32 163 8 160 6...

Страница 35: ...reign substance inside the Door Lock Check of door lock With the Power on press and hold the Signal Extra Rinse buttons for 5 sec Press Extra Rinse to select the Board Input in Mode Turn knob counter clockwise to select 3th LED Door Close CL Resistance 0Ω Door Open OP Resistance O L Check for door lock Check Resistance of door lock S W CN1 BLK WHT and RY1 BLU The Resistance 55 8 68 2Ω Replace the ...

Страница 36: ...PBA This case can be caused when tact switches on sub PBA are defective You can see that the resistance of defective tact switches is not normal If button does not operate smoothly due to constraint disassemble it and apply grease The Resistance when tact switch is not pressed 0 when tact switch is pressed Replace the Sub PCB Check Point Check the PBA communication Button Tip 4 9 AE E2 SF Error Ab...

Страница 37: ... the version disappears You can check the operation of water valve drain pump circulation pump heater door lock S W by pressing a button Model Key Check part WF393 WF395 WA405 Temp Water valve Spin Door lock Unlock Soil level Heater Check Point Check the Test Mode Diagnostic Mode Model Quick test mode Quick spin test mode Service mode S W version check mode Board input test mode Diagnostic mode WF...

Страница 38: ... RPM When motor is not spinning you can enter into quick spin test mode Board Input Test Mode Board input test mode is to display a specified input As it enters into board input test mode Clockwise direction turn jog dial so that the LED turns on and press the start pause button Course Normal LED 2nd LED 3rd LED 4th LED 5th LED Display Water temp Water temp Door status OP open CL close Door lock S...

Страница 39: ... 39 39 Check Point Check the Circuit Diagram PBA Tip 5 2 Appendix Model WF393 WF395 WF405 Next Page ...

Страница 40: ...k Check Check AC Voltage at Pin 1 of CN6 and Pin 2 of CN6 When Door Lock AC 120V Drain Motor Check Check Voltage at Pin 1 of RY1 and Pin 3 of CN1 When Drain Pump operates AC 120V Water Valve Check Check Voltage at Pin 1 of RY1 and Pin 6 7 8 9 10 of CN1 When Each Valve operates AC 120V AC Power Check Check Voltage at Pin 1 of CN6 and 1 of RY1 When Set Power On AC 120V WASH Heater Relay Check Check ...

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