Samsung WF337 Washer Repair Manual

The Samsung WF337 is a front-loading washing machine with advanced features including multiple wash cycles, energy-efficient operation, digital controls, and self-diagnostic capabilities. This repair manual covers safety precautions, troubleshooting, disassembly procedures, component replacement, and maintenance guidelines for qualified technicians.

1. Safety Precautions 2. Technical Specifications 3. Common Issues & Diagnostics 4. Disassembly Procedures 5. Component Replacement 6. Error Codes 7. Maintenance Schedule 8. Parts List 9. Wiring Diagrams 10. Testing Procedures 11. Reassembly Guide

Safety Precautions

Before attempting any repairs, ensure proper safety measures are followed.

Hazard	Precaution
Electrical Shock	Disconnect power before servicing; verify with voltage tester
Water Damage	Turn off water supply; drain machine completely
Moving Parts	Ensure drum is stationary; avoid contact during operation
Chemical Exposure	Wear gloves when handling detergents or cleaning agents
Heavy Lifting	Use proper lifting techniques; get assistance for heavy components

Technical Specifications

Model: Samsung WF337
Capacity: 4.0 cu. ft.
Voltage: 120V AC, 60Hz
Water Pressure: 20-116 psi
Dimensions: 27" W x 39" H x 32" D
Weight: 185 lbs
Motor Type: Direct Drive
Control System: Digital Electronic
Wash Cycles: 10 including Heavy Duty, Delicates, Quick Wash

Common Issues & Diagnostics

Typical problems and diagnostic procedures for the WF337 model.

No Power: Check outlet, power cord, door switch, main control board
No Water Fill: Inspect water inlet valves, pressure switch, hoses
No Drain: Examine drain pump, filter, drain hose for obstructions
No Spin: Check motor, drive belt, suspension springs, shock absorbers
Leaking: Inspect door seal, hoses, pump connections, tub

WARNING! Always disconnect power before diagnostic testing.

Disassembly Procedures

Step-by-step disassembly instructions for major components.

Top Panel: Remove rear screws, slide panel backward and lift off
Control Panel: Remove mounting screws, disconnect wiring harnesses
Front Panel: Remove screws around door opening, detach from cabinet
Door Assembly: Remove hinge screws, carefully lift door from hinges
Drum Removal: Remove counterweight, disconnect shocks, lift out drum

CAUTION! Label all wires and take photos during disassembly.

Component Replacement

Replacement procedures for common failing components.

Component	Replacement Procedure
Door Seal	Remove spring ring, install new seal, ensure proper alignment
Drain Pump	Disconnect hoses and wiring, remove mounting bolts, install new pump
Motor	Disconnect wiring, remove mounting bolts, install replacement motor
Shock Absorbers	Compress and remove from brackets, install new shocks
Control Board	Disconnect all wiring, remove mounting screws, install new board

Error Codes

Common error codes and their meanings for the WF337 model.

Error Code	Description	Solution
UE	Unbalanced Load	Redistribute laundry, check suspension
OE	Drain Error	Check drain pump, filter, hose
FE	Water Fill Error	Inspect water valves, pressure switch
DE	Door Lock Error	Check door lock mechanism, wiring
TE	Temperature Error	Inspect heater, thermistor

Maintenance Schedule

Recommended maintenance intervals for optimal performance.

Monthly: Clean detergent dispenser, wipe door seal
Every 3 Months: Run cleaning cycle with washer cleaner
Every 6 Months: Inspect hoses for wear, clean drain pump filter
Annually: Check shock absorbers, suspension springs
As Needed: Clean exterior, check leveling feet

Parts List

Common replacement parts for the WF337 model.

Part Number	Description	Notes
DC93-00657A	Door Lock Assembly	Includes switch and mechanism
DD82-00093A	Drain Pump	Complete pump assembly
DD97-00031A	Door Seal/Gasket	Front loading door seal
DC96-00493A	Main Control Board	Electronic control unit
DD82-00389A	Shock Absorber	Vibration dampening unit

Wiring Diagrams

Electrical schematics and connection diagrams.

Main Power Circuit: Includes power cord, main switch, control board connections

Motor Circuit: Shows motor, capacitor, and control board wiring

Sensor Circuit: Pressure switch, thermistor, door lock wiring

Control Panel: Display, buttons, and main board connections

CAUTION! Refer to diagrams before testing electrical components.

Testing Procedures

Step-by-step testing methods for components.

Motor Test: Use multimeter to check windings for continuity
Water Valve Test: Apply 120V AC to solenoid, listen for activation
Pressure Switch Test: Blow into tube, listen for click at specific pressures
Heater Test: Check resistance (typically 20-40 ohms)
Door Lock Test: Verify continuity changes when locked/unlocked

Reassembly Guide

Proper reassembly procedures after repairs.

Install drum and suspension system
Mount shock absorbers and springs
Install front panel and door assembly
Connect all wiring harnesses
Install control panel and top cover
Reconnect water and drain hoses
Restore power and test operation

Final Check: Run test cycle to verify proper operation and no leaks.

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