Samsung DV456 Serie Information Technique page 6

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