Samsung DV330AEW User manual

Fast Track Troubleshooting

Publication # tsDV330 Revision Date 06/27/2011

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.

Models:

DV330AEW DV330AGW

DV330AEB DV330AGB

Location consideration In the USA:

 All Dryers Must be vented to the outside.

 Only rigid or flexible metal duct should be

used for venting.

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

Description Trigger Action Taken

Dryer Thermistor Short

Sensed

The Thermistor resistance is

ve ry l o w.

Check for: Clogged lint screen,

Restricted vent system, Thermistor

resistance.

Dryer Thermistor Open

Sensed

The Thermistor resistance is

very high.

Check for: Clogged lint screen,

Restricted vent system, Thermistor

resistance.

dE Door Open Running the dryer with door

open

Check for: Loose or open wire

terminals in Door Sense circuit.

FE Power source frequency

Error Invalid power source Frequency Check for: Non Utility power supply

dF Door Circuit Failure Invalid state for more than 256

milliseconds

Check for: Loose or open wire

terminals in Door Sense circuit.

hE or HE Heater Error Invalid heating Temp in running

the dryer

Check for: Restricted vent system,

Thermistor resistance.

bE Button Error PCB key closed for 75 sec. Check Display PCB for stuck button

od Over Dry Invaled Dry Time Excessive Dry

Time Inspect seensor bars

EEprom Fail Invalid state of Eeprom

communication Replace Main PCB

Samsung 'Dryer' Diagnostic Code Quick Guide

Display

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

CN4 RY 6CN6 RY 5 CN7 CN5 CN1

Ass’y Duct Heater (Electric)

Ass’y Duct (Gas)

Ass’y Fan

F0005 = DC47-00017A

A0369 = DC47-00015A

F0005 = DC47-00018A

Thermistor W0035 = DC32-00007A

F0005 = DC47-00016A

CN1

1 120vac N (Brn)

2 Sub PCB (Wht)

3 Sub PCB (Yel)

Relay 1

1 Motor Belt Sw (Brn)

2 120vac L1 (Blk)

Relay 6

1 Gas Hi Limit T-Stat (Blu)

2 120vac L1 (Blk)

Relay 6

1 Heater Cut Off T-Stat (Blu)

2 120vac L1 (Blk)

CN5

1 Lamp (Vio)

CN6

1 Earth Ground (Grn)

CN4

3-6 Thermistor (Blu-Red)

4-5 Moisture Sensor (Pnk-Org)

CN2 Sub PCB Display

5-4 5VDC (Wht-Pnk)

6-4 15VDC (Red-Pnk)

CN7

1 Motor #6 (Blk)

2 Door Sw (Blu)

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.

Sensor Bar Touch Data Mode

How to Enter:

Power on dryer, open door and press in door switch.

Start dryer tumbling. Press Temp + Signal for 3 sec.

Touch both sensor bars with wet cloth, sensor hit numbers

show in display.

Note: Test mode subject to change without notice

Cycle Count Test Mode

How to Enter:

Press Temp + Signal Keys for 3 sec during Power On

State.

Press Signal for 3 seconds (until beep)

Note: Test mode subject to change without notice

Software Version Test Mode

How to Enter:

Press Temp + Signal Keys 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 Adjust Time Up + Down Keys for 3 sec during

Power On State.

Press Adjust Time Up and it will display the temperature

in Celsius.

Compare vent temp to drum temp to see air flow.

This can be with just power on or dryer running.

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

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 deac-

tivate this feature. The indicator light above the pad will illuminate when Wrinkle Prevent is selected. Chasing

lights appear in the display when the Wrinkle Prevent option is selected. The load is dry, and can be removed

at any time during the Wrinkle Prevent cycle.

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.

New

DC81-00220A

Special Test Mode:

 While in Power Off, pressing the Dry Level + Power keys simultaneously 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)

Make sure the idler pulley & the motor pulley are in

a straight line, bend if needed

RY6CN6

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.

RY 6 RY 5

RY 5 CN7

Testing Main PCB power output to Heating

& Motor circuit.

With motor running in the heating mode,

read AC voltage across RY6 and RY5.

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

RY5 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.

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