Samsung DV419 series Operating instructions

# tsDV419 RevD 03/21/2011 1

Fast Track Troubleshooting

Publication # tsDV419 Revision Date 03/21/2011

Models:DV419***

IMPORTANT SAFETY NOTICE –“For Technicians Only” This service data sheet is

intended for use by persons having electrical, electronic, and mechanical experience

and knowledge at a level generally considered acceptable in the appliance repair trade.

Any attempt to repair a major appliance may result in personal injury and property

damage. The manufacturer or seller cannot be responsible, nor assume any liability for

injury or damage of any kind arising from the use of this data sheet.

NOTICE: All Dryers Parts Change

6/2010: Motor Pulley, page 5;

Blower Housing, page 4

SUPPORT INFORMATION

Training —Plus One

http://my.plus1solutions.net/clientPortals/samsung/

Help —GSPN http://service.samsungportal.com/

Samsung Product Support TV

http://support-us.samsung.com/spstv/howto.jsp

Customer information videos and chat programs

Programs for Fridges, Laundry, Ranges & D/W

# tsDV419 RevD 03/21/2011 2

# tsDV419 RevD 03/21/2011 3

# tsDV419 RevD 03/21/2011 4

CN2 Sub PCB Display

CN6

1 Earth Ground

(Grn)

CN1

1 120vac N (Brn)

2 Sub PCB (Wht)

3 Sub PCB (Yel)

Relay 1

1 Motor Belt Sw (Brn)

2 120vac L1 (Blk)

CN7

1Water Valve (Blk)

2 Door Sw (Blu)

Ass’y Duct Heater (Electric)

Ass’y Duct (Gas)

Ass’y Fan

Relay 6

1 Heater Cut Off T-Stat (Blu)

2 120vac L1 (Blk)

CN2

3-6 Thermistor (Blu-Red)

4-5 Moisture Sensor (Pnk-Org)

Relay 6

1 Gas Hi Limit T-Stat (Blu)

2 120vac L1 (Blk)

F0005 = DC47-00017A

A0369 = DC47-00015A

F0005 = DC47-00018A

Thermistor W0035 = DC32-00007A

F0005 = DC47-00016A

CN5

1 Lamp (Vio)

3 Water Valve (Wht)

5 Water Valve (Red)

New Version of

Blower Housing, it

may be necessary to

separate the harness

wrap on replacement

housing. Please

maintain shielding

on the low voltage

wires.

# tsDV419 RevD 03/21/2011 5

Location consideration In the USA:

 All Dryers Must be vented to the outside.

 Only rigid or flexible metal duct should be

used for venting.

Sensor Bar Touch Data Mode

How to Enter:

Press Time + Temp + Power

Open the door and touch the sensor bars, it will toggle

back and forth between 0 –1

Test mode subject to change without notice

Cycle Count Test Mode

How to Enter:

Press Signal + Wrinkle Prevent Keys for 3 sec during

Power On State.

Press Signal key for 3 seconds (until beep)

Note: Test mode subject to change without notice

Software Version Test Mode

How to Enter:

Press Signal + Wrinkle Prevent Keys for 3 sec during

Power On State.

Press Temp key for 3 seconds (until beep)

Note: Test mode subject to change without notice

Temperature Test Diagnostic Mode

How to Enter:

Press Signal + Wrinkle Prevent Keys for 3 sec during

Power On State.

Press Time + Wrinkle Prevent Keys and 7-segment will

display the temperature in Celsius.

Compare vent temp to drum temp to see air flow.

Do not use dryer to dry clothes which have traces of any flam-

mable substance, such as vegetable oil, cooking oil, machine

oil, flammable chemicals, thinner, etc., or anything containing

wax or chemicals, such as mops and cleaning cloths. Flamma-

ble substances may cause fabric to catch fire by itself.

Dryer continues to run after cycle completed

Wrinkle Prevent option provides approximately 90 minutes (20

continuous and 70 intermittent) of tumbling in unheated air at

the end of the cycle to reduce wrinkling.

Press the Wrinkle Prevent button to activate or deactivate this

feature. The indicator light above the pad will illuminate when

Wrinkle Prevent is selected. Chasing lights appear in the dis-

play when the Wrinkle Prevent option is selected. The load is

dry, and can be removed at any time during the Wrinkle Pre-

vent cycle.

Special Test Mode:

While in Power Off, pressing the Dryness Level + Power keys simultane-

ously will put the dryer into the System Check mode

― t2 ― will display.

System Check Mode Progress

t2 mode Function Performed Start/Pause Motor(CW) Relay On → Heater

Relay On → Heater Relay Off → Motor(CW) Relay Off (Circulation)

Caution! Do not give it too much testing time. It will over-burden

the Main PCB.

Electrical Dryers 240 VAC, 60 Hz, 30 Amps, 3-wire or 4-wire installations

Gas Dryers 120 VAC, 60 Hz, 15 Amps, 3-wire installations

Door Switch

COM (Wht)

NO (Yel)

New

DC81-00220A

SUBJECT: Dryer belt slides off the pulley when

manually rotated counter-clockwise (ccw)

SYMPTOM: The dryer drum will not turn. On occa-

sions, the customer will rotate the drum counter

clockwise (CCW) to check for any remaining

clothes left in the dryer drum. By rotating the drum

CCW, the idler arm may shift causing the belt to

slide off the pulley.

SOLUTION: To prevent the dryer belt from sliding

off the pulley, the pulley has been redesigned.

The Outside Diameter has been changed from

22mm to 27mm.

# tsDV419 RevD 03/21/2011 6

time

Time and Control Temp.

1st Heating Resign 1 Spray Resign 2nd Heating Resign 2nd Spray Resign 3rd Heating Resign Cooling

resign

Time

Control Temp.

Time

Control Temp.

Time

Control Temp.

Time

Control Temp.

Time

Control Temp.

Time

Heat

Off

Heat

Off

Heat

Off

Heat

Off

Heat

Off

Heat

min 1min. 58℃50℃1min. 58℃50℃1min. 58℃50℃1min. 58℃50℃13mi

n. 58℃50℃3min.

Testing Steam Cycle:

Select Wrinkle Care cycle for 4 minutes, check for heat and moisture. If both are present, the dryer is working properly

Major Dryer Spray

Components

Gas Valve Testing

Unplug connectors and test valve terminals

(its numbering is from the front terminal.)

Check across terminals #1 and #3 (Booster Coil). 550 Ω

Check across terminals #1 and #2 (Holding Coil). 1350 Ω

Check across terminals #2 and #3 (Both coils in series).1900 Ω

Check across terminals #4 and #5 (Secondary Coil). 1300 Ω

Laundry Touch Up Paints

TOUCH UP PAINT, BLUE ONYX DH81-11980A

TOUCH UP PAINT, IMPERIAL SILVER DH81-11981A

TOUCH UP PAINT, NEAT WHITE DH81-11982A

TOUCH UP PAINT, STRATUS GRAY DH81-11983A

TOUCH UP PAINT, TANGO RED DH81-11984A

# tsDV419 RevD 03/21/2011 7

Testing Main PCB power output to Heating

& Motor circuit.

With motor running in the heating mode,

read AC voltage across RY6 and RY1.

Any voltage reading means Main PCB is

defective.

See page 4 for Main PCB layout for testing.

Testing Motor circuit.

With power off read

resistance between

RY1 Brown and CN7

Blue.

Resistance reading of

good motor circuit is

about 1.9Ω. To test

thermostat and switch

use ohm meter on

lowest scale, any

resistance replace

component.

See page 4 for Main

PCB layout for testing.

# tsDV419 RevD 03/21/2011 8

Testing Electric Heater circuit.

Disconnect Blue wire from RY6, turn power on, start dryer read voltage between RY6 Blue wire and CN6

Green wire.

Reading of 120VAC means a proper operating heater circuit. 0VAC means open in circuit.

To test thermostats use ohm meter on lowest scale, any resistance replace component

See page 4 for Main PCB layout for testing.

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