samsung washer model wf42h5000aw/a2 service manual

The Samsung WF42H5000AW/A2 is a 4.2 cubic foot front-load washing machine with advanced cleaning technology, energy-efficient operation, and multiple wash cycles. This service manual provides comprehensive information for technicians including safety precautions, technical specifications, disassembly instructions, troubleshooting guides, and maintenance procedures for proper servicing and repair.

1. Safety Precautions 2. Product Specifications 3. Component Identification 4. Disassembly Instructions 5. Electrical System 6. Control System 7. Mechanical System 8. Error Codes 9. Troubleshooting 10. Maintenance Procedures 11. Parts List

Safety Precautions

Before servicing, always disconnect power and follow safety protocols.

Hazard	Precaution
Electrical Shock	Disconnect power before servicing; use insulated tools
Moving Parts	Ensure machine is completely stopped before disassembly
Hot Surfaces	Allow components to cool before handling
Sharp Edges	Wear protective gloves during disassembly
Chemical Exposure	Use proper ventilation when handling cleaning agents

Product Specifications

Model: WF42H5000AW/A2
Capacity: 4.2 cubic feet
Type: Front Load Washer
Voltage: 120V AC, 60Hz
Dimensions: 27" W x 38.5" H x 31.5" D
Weight: 180 lbs
Motor Type: Direct Drive
Water Pressure: 20-116 psi
Max Spin Speed: 1200 RPM

Component Identification

Key components: Control panel, door assembly, tub, motor, pump, suspension system, water valves.

Component	Function
Main Control Board	Processes user inputs and controls all operations
Direct Drive Motor	Provides agitation and spin functions
Drain Pump	Removes water from tub during drain cycles
Water Inlet Valves	Controls hot and cold water intake
Door Lock Assembly	Secures door during operation
Shock Absorbers	Reduces vibration during spin cycles
Temperature Sensor	Monitors water temperature
Pressure Switch	Detects water level in tub

Disassembly Instructions

Step-by-step disassembly procedures for major components.

Control Panel Removal: Remove top panel screws, lift panel, disconnect wiring harnesses.
Front Panel Access: Remove lower kick plate, disconnect door lock wiring.
Tub Access: Remove rear panel, disconnect drive belt, remove suspension springs.
Motor Removal: Disconnect electrical connections, remove mounting bolts.
Pump Replacement: Remove drain hoses, disconnect wiring, unbolt pump assembly.

WARNING! Always document wire connections and take photos during disassembly.

Electrical System

Electrical schematics and component testing procedures.

Component	Test Procedure	Expected Values
Main Motor	Check resistance between terminals	2-10 ohms
Water Valves	Test coil resistance	500-2000 ohms
Door Lock	Check continuity when locked	Closed circuit
Thermistor	Measure resistance at room temp	50K ohms
Pressure Switch	Test at different water levels	Variable resistance

Control System

Control board functions and diagnostic modes.

Diagnostic Mode: Press and hold Delay Start + Soil Level + Spin Speed for 3 seconds.

Test Functions: Motor test, valve test, drain test, sensor test.

Programming: Service mode allows adjustment of default settings and calibration.

Mechanical System

Mechanical components and maintenance procedures.

Drive System: Direct drive motor with no belts; inspect rotor and stator.
Suspension: Check shock absorbers and springs for wear.
Bearings: Inspect tub bearings for noise and smooth rotation.
Seals: Check door boot and tub seals for leaks.
Hoses: Inspect inlet and drain hoses for cracks or leaks.

Error Codes

Common error codes and their meanings.

Error Code	Description	Possible Causes
1E	Motor failure	Motor, control board, wiring
3E	Heater failure	Heater element, thermostat
4E	Water supply error	Valves, pressure switch, hoses
5E	Drain error	Pump, drain hose, filter
9E	Communication error	Control board, wiring harness
dE	Door lock error	Door switch, wiring, alignment

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord, outlet, control board	Check power source, test outlet, inspect main board
No water fill	Water valves, pressure switch	Test valves, check water pressure, inspect switch
Will not drain	Drain pump, filter, hose	Clean filter, test pump, check drain hose
Excessive vibration	Suspension, leveling, load balance	Level machine, check shocks, redistribute load
Door won't lock	Door switch, alignment, control board	Align door, test switch, check wiring
Loud noise	Bearings, foreign objects, motor	Inspect bearings, check for objects, test motor

Maintenance Procedures

Routine maintenance to prevent common issues.

Clean drain pump filter monthly: Access through lower front panel.
Inspect and clean door boot seal: Remove debris and check for damage.
Run cleaning cycle: Use washer cleaner every 30 cycles.
Check hoses: Inspect for leaks and replace every 5 years.
Level machine: Verify machine is level to reduce vibration.

CAUTION! Always disconnect power before performing maintenance.

Parts List

Common replacement parts and their part numbers.

Part Description	Part Number
Main Control Board	DC92-01557A
Direct Drive Motor	DD97-00303A
Drain Pump	DC32-00007A
Water Inlet Valve	DC96-00857A
Door Lock Assembly	DC64-00571A
Shock Absorber	DC61-00644A
Door Boot Seal	DC97-15232A
Temperature Sensor	DC32-00007B

Service Support: 1-800-SAMSUNG; www.samsung.com/support