Samsung WA45H7200A User Manual

1
WASHING MACHINE
Technical Information
Code No. : DC68-03132G-01_EN
• Duetopossibilityofpersonalinjuryorpropertydamage,alwayscontactanauthorized
technicianforservicingorrepairofthisunit.
• RefertoServiceManualfordetailedinstallation,operating,testing,troubleshooting,and
disassemblyinstructions.
Models : WA48H7400A*
WA45H7200A*
WA45H7000A*
AllsafetyinformationmustbefollowedasprovidedinServiceManual.
CAUTION
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
WA7000HA WASH_WA48H_TECH MANUAL_DC68-03132G-01_EN.indd 1 2014-1-6 15:56:26

Samsung WA45H7200A Specifications

General

Brand	Samsung
Model	WA45H7200A
Category	Washer
Language	English

Summary

Alignment and Adjustments

General Error Function Codes

Lists error codes, their descriptions, and corrective actions for washing machine faults.

Quick Test Mode Procedure

Step-by-step guide to entering and using the Quick Test Mode.

Continuous Run and Service Mode Entry

How to enter and operate Continuous Run and Service Modes for diagnostics and testing.

Specialized Diagnostic Test Modes

Procedures for Quick Spin Test, Cycle Count Check, and S/W Version Check modes.

Advanced Test Mode Operations

Procedures for Fast Time Down Test and Board Input Test modes.

Diagnostic Code Retrieval Process

Accessing stored diagnostic error codes for service technicians.

Demo Mode Demonstration

Demonstrating machine functions and modes for presentation purposes.

Troubleshooting Common Issues

Repair and Replacement Safety Precautions

Important safety precautions for diagnosing and replacing parts.

Startup, Leaking, and Spin Malfunctions

Troubleshooting common problems like failure to start, leaks, and no spinning.

Water Fill, Suds, and Load Adjustments

Addressing issues with water fill, excessive suds, wet clothes, and door lock.

Control Panel, Drainage, Temperature Issues

Resolving unresponsive controls, drainage problems, and wrong water temperatures.

Noise, Vibration, and Button Response Troubleshooting

Diagnosing noise, vibration, walking, and unresponsive buttons.

WA48H7400A* PCB Component Checks

WA48H7400A* Sensor and Hall Effect Testing

Testing Thermistor, Water Sensor, and Hall Sensor resistance and voltage.

WA48H7400A* Motor, Pump, Valve, Power, Lock Checks

Testing voltage and resistance for motor, pump, valves, power supply, and door lock.

WA45H7200A* PCB Component Checks

WA45H7200A* Sensor and Hall Effect Testing

Testing Thermistor, Water Sensor, and Hall Sensor resistance and voltage.

WA45H7200A* Motor, Pump, Valve, Power, Lock Checks

Testing voltage and resistance for motor, pump, valves, power supply, and door lock.

WA45H7000A* PCB Component Checks

WA45H7000A* Sensor and Hall Effect Testing

Testing Thermistor, Water Sensor, and Hall Sensor resistance and voltage.

WA45H7000A* Motor, Pump, Valve, Power, Lock Checks

Testing voltage and resistance for motor, pump, valves, power supply, and door lock.

Wiring Diagrams

WA48H7400A* Wiring Schematic Details

Detailed wiring diagram for the WA48H7400A* model.

WA45H7200A* / WA45H7000A* Wiring Schematic Details

Detailed wiring diagram for WA45H7200A* and WA45H7000A* models.

Water Flow Diagrams

WA48H7400A* / WA45H7200A* Water Flow Paths

Diagram illustrating water flow paths for specific models.

WA45H7000A* Water Flow Diagram Paths

Diagram showing water flow for the WA45H7000A* model.