Samsung DV456 Serie Information Technique page 6

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TROUBLE SHOOTING
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.
No Problem
Will Not Start or Run
1
Motor runs/ tumbler
2
will not turn
Runs a few minutes
3
and then stops
Blows fuses or trips
4
circuit breaker
Blows fuses or trips
circuit breaker (Gas
5
Model)
Will not heat (motor
6
runs)
Will Not Dry Gas
Model Poor Gas
7
Ignition
[HUDSON]_Technical_information-03171A-01_EN.indd 6
WARNING
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).
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.
Belt off or broken/damaged.
Idler tension spring too weak or stretched.
Idler pulley jammed or stuck.
Lint buildup around drive motor.
Low voltage present.
Blower impeller blocked in blower housing.
Drive motor - start switch contacts stuck closed.
-
Is the belt connected well?
-
Is the winding of the motor continuous?
(Rotor winding, stator winding, generator)
-
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 ON,
the dryer will draw X amps. If the dryer is drawing amperages
above this, then the house wiring, fuse box or circuit breaker is
suspected to be at fault.
Igniter harness loose and shorted to base.
Incorrect wiring or wire shorted to ground.
Drive motor winding shorting to ground.
Open heating element.
Hi-Limit trips easily or is open.
Regulating thermostat trips easily or is open.
Membrane switch open.
Check Thermistor.
When the dryer is operated on a heat setting, the igniter should be
energized and burner shall fire within 45 seconds at 120 VAC. The
failure of a component in this system will usually be indicated by one
of three symptoms:
6
2012-4-9 17:20:06

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