Samsung DV338 service manual All wires are hooked up to their corresponding terminals

Page 6

TROUBLE SHOOTING

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power.

No

Problem

What To Do

 

 

• All wires are hooked up to their corresponding terminals.

 

 

• Dryer is plugged in.

 

 

• Blown fuse or circuit breaker.

 

 

• Door switch functional...door closed. Check for error code 3

 

 

(See Table for codedefinition).

1

Will Not Start or Run

• Start/Pause rotary selector dial functional.

 

 

• Control Board operational.

 

 

• Belt off or broken and Belt Cut-off Switch operates.

 

 

• Drive motor functional.

 

 

• Check motor winding resistance: 2.88ohms between pin #3

 

 

and 4, 3.5ohms between pin #4 and 5.

 

 

 

 

Motor runs/ tumbler

• Belt off or broken/damaged.

2

• Idler tension spring too weak or stretched.

will not turn

 

 

• Idler pulley jammed or stuck.

 

Runs a few minutes

• Lint buildup around drive motor.

3

• Low voltage present.

and then stops

• Blower impeller blocked in blower housing.

 

 

• Drive motor - start switch contacts stuck closed.

 

 

- Is the belt connected well?

 

Blows fuses or trips

- Is the winding of the motor continuous?

4

(Rotor winding, stator winding, generator)

circuit breaker

- Is the motor protector normal?

 

 

• If above points are not found, the PCB assembly is out of

 

 

order. Replace it.

 

 

• During ignition the dryer will draw X amps. With the burner

 

Blows fuses or trips

ON, the dryer will draw X amps. If the dryer is drawing am-

 

perages above this, then the house wiring, fuse box or circuit

5

circuit breaker

breaker is suspected to be at fault.

 

(Gas Model)

• Igniter harness loose and shorted to base.

 

 

• Incorrect wiring or wire shorted to ground.

 

 

• Drive motor winding shorting to ground.

 

 

Open heating element.

 

Will not heat

Hi-Limit trips easily or is open.

6

• Regulating thermostat trips easily or is open.

 

(motor runs)

• Membrane switch open.

 

 

 

 

• Check Thermistor.

 

Will Not Dry Gas

When the dryer is operated on a heat setting, the igniter should

 

be energized and burner shall fire within 45 seconds at 120

7

Model Poor Gas

VAC. The failure of a component in this system will usually be

 

Ignition

 

indicated by one of three symptoms:

 

 

 

 

 

Technical_information-02365B.ind6 6

2008-06-25 ¿ÀÈÄ 5:24:24

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Contents Clothes Dryer Alignment and Adjustments Continuous Run Mode Special Test ModeSoftware Version Mode Sensor Bar Touch Data ModeCycle Count Mode System Check ModeTrouble Shooting All wires are hooked up to their corresponding terminals Goes out, check for the following Component Testing Procedures Function 1M 2M 3M 5M 6MGas Valve25M01A Radiant Sensor10RSIgniter101D Thermostat 60T21 Hi-Limit230F-50F Resistance value 1 ΩAC Power Port Motor Relay Switch CN1 RY5 RY6Wire System Connections Wiring Diagram