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Samsung WF706U2SA Series - User Manual

Samsung WF706U2SA Series
54 pages
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WASHING MACHINE (DRUM) CONTENTS
SERVICE
Manual
WASHING MACHINE
DRUM TYPE
Basic Model : WF856UHSAGD/SA
(SEINE PROJECT)
Model Name : WF706U2SA*
(SEINE PROJECT)
Model Code : WF706U2SAWQ/TL
(SEINE PROJECT)
Refer to the service manual in the GSPN (see the rear cover) for the more information.
1. Safety Instructions
2.FeaturesandSpecications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Schematic Diagram
8. Reference

Questions and Answers

  • R
    Rebecca ValdezAug 17, 2025
    Why does my Samsung WF706U2SA show an unbalance error?
    • T
      Tammy ChaseAug 17, 2025
      An unbalance error on your Samsung Washer typically means the laundry load is causing the issue. You should find the reason for the unbalance and solve it as directed in the user manual.
  • B
    Brittany ButlerAug 19, 2025
    Why is my Samsung Washer showing a water supply error?
    • M
      Melanie GriffinAug 19, 2025
      A water supply error on your Samsung Washer may occur due to: - Foreign material entering the water supply valve. - The water supply valve terminal not being connected (wire disconnected). - The warm water and rinse connectors being wrongly connected to each other. - The PCB terminal from the drain hose to the detergent drawer is not connected or the transparent hose is folded or torn. If this error occurs in the Wool course.
  • S
    Sonya NguyenAug 22, 2025
    What causes a motor error on a Samsung WF706U2SA Washer?
    • T
      Theresa FinleyAug 22, 2025
      A motor error on your Samsung Washer can occur when: - Motor driving is unstable because the motor hall sensor does not work. - The PBA IPM operation is unstable or the control circuit has an error. Check whether the wire connector is connected correctly or whether there is a contact error.
  • J
    James MurphyAug 25, 2025
    What to do if my Samsung Washer has an overflow error?
    • A
      Amy KnoxAug 26, 2025
      An overflow error on your Samsung Washer can occur if: - Water is supplied continually because the water level detection does not work. - The water level sensor is degraded. For USA products, this error occurs because the water level sensor terminal is out of place.
  • K
    kcummingsAug 28, 2025
    How to troubleshoot a power error on a Samsung WF706U2SA?
    • K
      Kyle BrownAug 28, 2025
      A power error on your Samsung Washer can be related to: - The consumer’s power conditions. - Voltages being under or over the required level. - Issues with the plug receptacle. Make sure to check the operating voltage and connect a tester to the internal power terminals during the Boil or Dry operations and observe the washing machine’s operation carefully.
  • D
    Daniel JacksonAug 30, 2025
    Why does my Samsung Washer display a heater error?
    • A
      Alexandria WiseAug 30, 2025
      A heater error on your Samsung Washer can be caused by: - The washing heater being short-circuited or having a wire disconnected. - The washing heater in the tub having an error, such as a contact error or temperature sensor fault. For USA products, if the heater has no error, this occurs because of a PBA relay malfunction.
  • N
    nhansonSep 2, 2025
    What does it mean when my Samsung WF706U2SA shows a motor driving error and hall sensor error?
    • S
      Sean RoseSep 2, 2025
      A motor driving error and Hall sensor error on your Samsung Washer can be due to: - The PBA connector terminal not being connected. - The motor spin net not being engaged. - The motor’s internal coil being damaged (short-circuited or cut). - The hall sensor terminal not being connected. - Foreign material (a screw) entering the motor. For USA products, this error occurs because of restrained revolutions.
  • D
    dana35Sep 4, 2025
    How do I resolve a communication error on my Samsung WF706U2SA?
    • J
      jared34Sep 5, 2025
      A communication error on your Samsung Washer indicates that the signals between the sub and main PBAs are not sensed. Check the connector connections between the sub and main PBAs carefully and remove the sub PBA C/Panel and check for any faulty soldering.
  • B
    Brian CombsSep 8, 2025
    What does a cooling error mean on my Samsung WF706U2SA?
    • M
      Melissa HernandezSep 8, 2025
      A cooling error on your Samsung Washer occurs when the temperature of the washing machine is more than 55 °C and no draining is performed. If this error occurs for another reason, it is due to a washing heater sensor fault, so replace it.
  • M
    melanie83Sep 12, 2025
    Why does my Samsung WF706U2SA keep detecting foaming?
    • T
      thompsonmartinSep 12, 2025
      The Samsung Washer detects foaming when too much foaming is present. The display is also shown while foaming is being removed, and the normal cycle will proceed once the removal is finished.

Summary

Safety Instructions

Safety Instructions for Service Engineers

Instructions for safe operation and prevention of accidents during servicing.

Caution Before Servicing

Precautions to take before starting any service work on the machine.

Caution While Servicing

Precautions to take while performing service on the machine.

Caution After Servicing

Precautions to take after completing service work.

Features and Specifications

Common Features

Description of core features like Big Door, Diamond Drum, and Bubble Wash technology.

Optional Features

Description of model-dependent features such as Air Refresh and Water Safety Systems.

Specifications

Technical specifications including dimensions, capacity, power consumption, and spin speed.

Comparing Specifications

Comparison of model features against similar existing washing machine models.

Options Specifications

List of optional accessories and their corresponding part codes and remarks.

Disassembly and Reassembly

Tools for Disassembly and Reassembly

Lists necessary tools required for dismantling and reassembling various machine components.

Standard Disassembly Drawings

Step-by-step visual guide for disassembling common machine components like the top cover and panel.

Troubleshooting

Error Modes

Lists all error codes, their potential causes, and associated conditions for the washing machine.

Corrective Actions for Each Error Code

Provides specific troubleshooting steps and corrective actions to resolve identified error codes.

PCB Diagrams

Main PCB

Detailed diagram of the main printed circuit board, showing component locations and terminal functions.

Circuit Diagrams of Main Parts

Circuit schematics illustrating key sections and connections on the main PCB.

Sub PCB

Diagram of the sub printed circuit board, detailing component layout and connections.

Contact Terminals for Sub PCB

Detailed views of connectors on the sub PCB for system communication and programming.

Wiring Diagram

Wiring Diagram

Comprehensive diagram illustrating electrical connections between main PCB, sub PCB, and all machine components.

Schematic Diagrams

Main Control Schematic

Electrical schematic detailing the main control system, including power supply and load control.

Sub Control Schematic

Electrical schematic detailing the sub control system, including microcontrollers and communication interfaces.

Reference

SENIE Project Name

Explanation of the model naming convention and its components for the SENIE project.

Samsung WF706U2SA Series Specifications

General IconGeneral
Washing Capacity7 kg
Spin Speed1200 rpm
Capacity7 kg
ColorWhite
Dimensions60 x 60 x 85 cm

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