Samsung WA51A5505A Series Service Manual
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Samsung WA51A5505A Series Service Manual

Samsung WA51A5505A Series Service Manual

Washing machine top-loading type
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SERVICE
WASHING MACHINE (TOP-LOADING)
WASHING MACHINE
TOP-LOADING TYPE
Basic Name : WA7000R
Basic Code : WA50R5400AV
Model Name : WA51A5505AW
(WA5000A)
Model Code : WA51A5505A*
WA52A5500A*
WA54A7305A*
WA55A7300A*
WA55A7700A*
Manual
1. Safety Instructions
2. Features and Speci ications
3. Disassembly and Reassembly
4. Troubleshooting
C U STO M ER R EP AIR GU IDE
CONTENTS

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  • Page 1 WASHING MACHINE TOP-LOADING TYPE Basic Name : WA7000R Basic Code : WA50R5400AV Model Name : WA51A5505AW (WA5000A) Model Code : WA51A5505A* WA52A5500A* WA54A7305A* WA55A7300A* WA55A7700A* SERVICE Manual C U STO M ER R EP AIR GU IDE WASHING MACHINE (TOP-LOADING) CONTENTS 1.

  • Page 2: Table Of Contents

    This document can not be used without Samsung's authorization. CONTENTS 1. Safety instructions ..............1 1-1.

  • Page 3: Safety Instructions

    This document can not be used without Samsung's authorization. 1. SAFETY INSTRUCTIONS 1-1. SAFETY INSTRUCTIONS FOR SERVICE ENGINEERS ► Be sure to observe the following instructions to operate the product correctly and safely to prevent possible accidents and hazards while servicing. ► Two types of safety symbols, Warning and Caution, are used in the safety instructions. Hazards or unsafe practices that may result in severe personal injury or death. WARNING Hazards or unsafe practices that may result in minor personal injury or property damage.
  • Page 4 This document can not be used without Samsung's authorization. WARNING WHILE SERVICING • Check if the power plug and outlet are damaged, flattened, cut or otherwise degraded. 4 If faulty, replace it immediately. Failing to do so may result in electric shock or fire. 4 If plug is faulty replace it, if outlet in consumers home is faulty have consumer call an electrician to replace. • Completely remove any dust or foreign material from the housing, wiring and connection parts. 4 This will prevent a risk of fire due to tracking and electrical hazard. • When connecting wires, make sure to connect them using the relevant connectors and check that they are connected properly. 4 If tape is used instead of the connectors, it may cause fire due to tracking. • Make sure to discharge the PBA power terminals before starting the service. 4 Failing to do so may result in a high voltage electric shock. • When replacing the heater, make sure to fasten the nut after verification that it is inserted into the bracket-heater. 4 If not inserted into the bracket-heater, it touches the drum and could cause noise and electric leakage. WARNING AFTER SERVICING • Check the wiring.

  • Page 5: Before Servicing

    This document can not be used without Samsung's authorization. CAUTION BEFORE SERVICING • Do not sprinkle water onto the washing machine directly when cleaning it. 4 This may result in electric shock or fire, and may shorten the product’s life cycle. • Do not place any containers with water on the washing machine. 4 If the water is spilled, it may result in electric shock or fire. This will also shorten the product’s life cycle. • Do not install the washing machine in a location exposed to snow or rain. 4 This may result in electric shock or fire, and shorten the product’s life cycle. • Do not press a control button using a sharp tool or object. 4 This may result in electric shock or damage to the product. CAUTION WHILE SERVICING • When wiring a harness, make sure to seal it completely so no liquid can enter. 4 Make sure that they do not break when force is applied. • Check if there is any residue that indicates liquid entered the electric parts or harnesses. 4 If any liquid has entered into a part, replace it or ensure no remaining moisture inside the part.

  • Page 6: After Servicing

    This document can not be used without Samsung's authorization. CAUTION AFTER SERVICING • Check the assembled status of the parts. 4 Now is a good time to inspect your work. Review all connections and wiring, including mounting hardware. • Check the insulation resistance. 4 Disconnect the power cord from the power outlet 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. • Ensure washing machine is level by pressing down on corners to check for any movement. If not level, adjust legs and check again until no movement is present. Verification that unit is level will reduce customer dissatisfaction and redo call. 4 Vibrations can shorten the lifetime of the product. 4 _ Safety Instructions...

  • Page 7: Features And Specifications

    This document can not be used without Samsung's authorization. 2. FEATURES AND SPECIFICATIONS 2-1. FEATURES Description Features • A large 5.5/5.4/5.2/5.1cu.ft capacity means you can quickly wash more Large Capacity laundry in a single load, saving you time and effort, without the burden of frequent washes.

  • Page 8: Specifications

    This document can not be used without Samsung's authorization. 2-2. SPECIFICATIONS TOP LOADING WASHER TYPE WA5*A7***A* WA5*A55**A* A. Height 45.8” / 1163mm 44.6” / 1134mm B. Width 27.5” / 699mm 27.5” / 699mm DIMENSION (Inches / cm) C. Height with Door open 59.5”...

  • Page 9: Detail Features

    This document can not be used without Samsung's authorization. 2-3. DETAIL FEATURES Year Launched 2021.3Q 2021.3Q 2021.3Q Project WA7700A WA7300A WA7300A Model 7700 7300 7305 WA55A7300AV WA54A7305AV Model Code WA55A7700AV WA55A7300AE WA54A7305AE Colors Black Black / Greige Black / Greige Capacity (cu.ft / DOE)
  • Page 10 This document can not be used without Samsung's authorization. Year Launched 2021.3Q 2021.3Q 2021.3Q Project WA7700A WA7300A WA7300A Model 7700 7300 7305 WA55A7300AV WA54A7305AV Model Code WA55A7700AV WA55A7300AE WA54A7305AE Colors Black Black / Greige Black / Greige Number of Cycles...
  • Page 11 This document can not be used without Samsung's authorization. Year Launched 2021.3Q 2021.3Q Project WA5500A WA5500A Model 5500 5505 WA52A5500AV WA51A5505AV Model Code WA52A5500AP WA51A5505AP WA52A5500AW WA51A5505AW Colors Black / Inox / White Black / Inox / White Capacity (cu.ft / DOE) activewash™...
  • Page 12 This document can not be used without Samsung's authorization. Year Launched 2021.3Q 2021.3Q Project WA5500A WA5500A Model 5500 5505 WA52A5500AV WA51A5505AV Model Code WA52A5500AP WA51A5505AP WA52A5500AW WA51A5505AW Colors Black / Inox / White Black / Inox / White Number of Cycles...

  • Page 13: Cycle Chart

    This document can not be used without Samsung's authorization. 2-4. CYCLE CHART Use this chart to set the best cycle and options for you laundry. Note Setting Soil Temp. Rinse Spin 5 : Hot (Level 5) 5 : 5 times (Level 5)

  • Page 14: Options Specifications

    This document can not be used without Samsung's authorization. 2-5. OPTIONS SPECIFICATIONS Code No. Remark Item Item Name HOSE-HANGER DC61-00224B Default DC68-04037A (Model No : WA50R54*) MANUAL-BOOK Default DC68-04037C (Model No : WA50R52*) CABLE TIE 6501-000121 Default ASSY CAP V.W...

  • Page 15: Disassembly And Reassembly

    This document can not be used without Samsung's authorization. 3. DISASSEMBLY AND REASSEMBLY 3-1. TOOLS FOR DISASSEMBLY AND REASSEMBLY Tool Type Remarks 10mm Pulsator(1), Assy stator(5), Support saddle(4), Box driver Assy clutch(11), Assy rotor(1) 17mm 10mm Double-ended Replaced by box driver...

  • Page 16: Standard Disassembly Drawings

    This document can not be used without Samsung's authorization. 3-2. STANDARD DISASSEMBLY DRAWINGS ► 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 1. Remove the 5 screws holding the control panel assembly. 2-1. ( If the door unlocked) Spearate the assy panel upward with the door slightly open. 2-2. I f the door locked, below process needed additionally for unlock. 2-2-1. O pen the door slightly for contact the square hole of door.
  • Page 17 This document can not be used without Samsung's authorization. Part Figure Description 5. Separate wire connected to the touch module and 4 hooks. 6. Separate hooks and remove 1 screw. When reassembling the PCB, take care that you do not damage the control-panel Sub and Main PCB fixing hook. After replacing the sub PCB, Assembly check the key operation. 7. Remove the 3 screws and then separate the cover pcb(m), wires connected to the main PBA.
  • Page 18 This document can not be used without Samsung's authorization. Part Figure Description 1. After separating the control panel, separate the water valve housing. 2. Remove the 3 fixing screws. Water Valve 3. Remove the wire-harness and release the clamp connecting the hose. When releasing the clamps, take care that you do not tear the hoses. 16 _ Disassembly and Reassembly...
  • Page 19 This document can not be used without Samsung's authorization. Part Figure Description 1. After separating the control panel, remove 4 fixing screws holding the door lid T.C. Door Assembly 2. Separate the door. Disassembly and Reassembly _ 17...
  • Page 20 This document can not be used without Samsung's authorization. Part Figure Description 1. Remove the 2 Screws. 2. Separate the control Panel assemble. 3. Remove the 4 Screws. Top Cover Assembly & Door Switch Common (continued) 4. Separate the Back Cover. 5. Separate the Pump Wire from the wire holders (2 Points). 18 _ Disassembly and Reassembly...
  • Page 21 This document can not be used without Samsung's authorization. Part Figure Description 6. Separate the Pump Wire Connector (1point). Pump Wire may snap if you separate top Top Cover Assembly cover assembly without step 3~ step 6. & Door Switch Common (continued) 7. Remove the 4 Screws. 8. Separate the Door Lock SW Connector. Door Switch (continued) 9. Push Door SW Connector into Hole. Disassembly and Reassembly _ 19...
  • Page 22 This document can not be used without Samsung's authorization. Part Figure Description 10. Remove 4 screws from Door switch. Door Switch 11. Replace the Door switch. (continued) 12. Remove 3 screws from PBA. 13. Separate connector Housing 1) Valve Water (4EA) 2) Pressure Sensor (1EA) 3) Water Jet Key (1EA) 4) Door S/W (1EA) 5) Cover connector (1EA)
  • Page 23 This document can not be used without Samsung's authorization. Part Figure Description 14. Separate 2point from the Earth wire. Top Cover Assembly (continued) 15. Before separating the hose, release the clip. W hen releasing the clip, take care that you do not tear the hose. 16. Separate the Top Cover Assembly by lifting. Y ou can check the Door SW/Water jet I f a washing machine is turned off by power outage or if you unplugs the power cord during operation, the door may be locked for safety. To open the door, turn on the washing machine and wait for 4 minutes. Then the door will get unlocked automatically. Disassembly and Reassembly _ 21...
  • Page 24 This document can not be used without Samsung's authorization. Part Figure Description 1. Disassemble the control panel assembly. 2. Separate the pressure switch housing. Sensor Pressure Switch 3. Before separating the hose, release the clip. When releasing the clip, take care that you do not tear the hose. 22 _ Disassembly and Reassembly...
  • Page 25 This document can not be used without Samsung's authorization. Part Figure Description 1.Separate the back cover. 2. Separate the pump wire. Drain-Pump 3. Remove 2 screws and separate 2 clamps. 4. Separate the wire 1. Remove the 2 screws. Thermistor Disassembly and Reassembly _ 23...
  • Page 26 This document can not be used without Samsung's authorization. Part Figure Description 1. Remove the 2 screws holding the panel control. 2. Separate the top cover assembly by lifting and all the wires connected to the housing. 3. After separating cover top assembly, remove the 4 screws fixing the cover tub and separate the hooks. Clutch Assembly (continued) Pulsator model 4. Separate the pulsator cap by inserting the tip of a (-) screwdriver between the pulsator cap and the pulsator. 5. Then lifting the screwdriver up.
  • Page 27 This document can not be used without Samsung's authorization. Part Figure Description 1. Remove the 2 screws holding the panel control. 2. Separate the top cover assembly by lifting and all the wires connected to the housing. 3. After separating cover top assembly, remove the 4 screws fixing the cover tub and separate the hooks. Clutch Assembly (continued) Agitator 4. Separate the pulsator cap by inserting the tip of a (-) screwdriver between the pulsator cap and the agitator 5. Then pushing the screwdriver.
  • Page 28 This document can not be used without Samsung's authorization. Part Figure Description 7. R emove the shaft with the jig wrench. - Release the nut in a clockwise direction. - Fasten the nut in a counterclockwise direction. 8. Place the main body so that the front frame faces upward and remove the 4 bolts holding the support saddle with a 10mm wrench. When you place the washer on the floor, take care that you do not damage or scratch the product. Clutch Assembly (continued) 9. Remove the bolt holding the DDM motor- rotor housing with a 17mm wrench and then remove the motor housing 10. Remove the 5 bolts holding the DDM motor-...
  • Page 29 This document can not be used without Samsung's authorization. Part Figure Description 11. Separate the housing and then remove the DDM motor. 12. Separate the wire and remove 2 screws holding the drain motor. Clutch Assembly (continued) 13. Remove pin link and then separate link drain. 14. Remove all screws fixing the clutch assembly and then separate the clutch assembly. Reassembly procedures are in the reverse order of dissasembly procedures. Disassembly and Reassembly _ 27...

  • Page 30: Troubleshooting

    This document can not be used without Samsung's authorization. 4. TROUBLESHOOTING 4-1. INFORMATION MODES ► This is a washer integrated information mode. For detailed information, refer to the general repair scripts. Check Type For USA Causes Remarks - The part of the hose where the water level sensor is located is damaged (punctured).
  • Page 31 This document can not be used without Samsung's authorization. Check Type For USA Causes Remarks - The signals between the sub and main PBAs are not sensed because of communication Check. - 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. - The diagnosis of the I/O Board communication check. - The signals between The DR Module and main PBAs are not sensed because of communication Check. - Check The connector connections between The DR Module and main PBAs carefully. → Check for incorrect or loose connections, etc. - Remove The DR Module and Check for any faulty soldering. - The signals between The WIFI Module and main PBAs are not sensed because of communication Check. - Check The connector connections between The WIFI Module and main Communication PBAs carefully.

  • Page 32: 30 _ Troubleshooting

    This document can not be used without Samsung's authorization. Check Type For USA Causes Remarks - Heater engagement fault. (out of place) - The air hose is out of place and water leakage occurs during the spin cycle. - The tub back at the safety bolts fixing part is broken. - Water leakage occurs at the front with foaming because of 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 - Water leakage occurs at the drain hose. Check - 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 tub back and front in place are fastened incorrectly.

  • Page 33: Corrective Actions For Each Check Code

    This document can not be used without Samsung's authorization. 4-2. CORRECTIVE ACTIONS FOR EACH CHECK CODE ► These are common troubleshooting procedures for each drum-type washer Check mode. For detailed information, refer to the general repair scripts. Check Symptom Countermeasure Troubleshooting Procedure Measurement Picture Code Check if the water level sensor is defective. Check if the water level sensor terminal is • C heck the water level sensor properly connected. terminal connections. • C heck the part code of the water Check if the water level level sensor, because if an sensor hose is broken.

  • Page 34: 32 _ Troubleshooting

    This document can not be used without Samsung's authorization. Check Symptom Countermeasure Troubleshooting Procedure Measurement Picture Code This may occur when the • C heck if there is any alien substance drain pump is defective. inside the draining pump motor. • C heck the natural drain in the This may occur due to same manner. frozen water. • C heck if there are any incorrect Check if there is any connections or broken wires. alien substance inside • I f the machine malfunctions the draining pump. Drain Check ► 5C...
  • Page 35 This document can not be used without Samsung's authorization. Check Symptom Countermeasure Troubleshooting Procedure Measurement Picture Code • C heck whether either the Power switch or a tact switch is continually pressed. • C heck whether the service PBA holding screws are fastened too The Power button is tight. If they are fastened too tight, Switch Check continually pressed. loosen them a little. Main Relay ► bC2 A button other than • I f the main PBA switching IC on/off Check the contact between the control Check the Power button is...

  • Page 36: 34 _ Troubleshooting

    This document can not be used without Samsung's authorization. Check Symptom Countermeasure Troubleshooting Procedure Measurement Picture Code This may occur when the water level sensor is defective. This may occur when • C ould be a defective water valve. Overflow ► OC water is supplied Check water valve. Check continuously due to • T he water level sensor is replaced. freezing or foreign materials in the water supply valve. • C heck for connection between wire and heater.
  • Page 37 This Service Manual is a property of Samsung Electronics Co.,Ltd. © 2024 Samsung Electronics Co.,Ltd. All Any unauthorized use of Manual can be punished under applicable rights reserved. International and/or domestic law. Printed in Korea...

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