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Fast Track Troubleshooting 

Publication #  nwDV5471   Revision Date 09/23/11

 

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:           
DV5471AE DV5471AG

 

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 
very low.

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.

dO       

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 

Summary of Contents for DV5471AE

Page 1: ...hermistor Open Sensed The Thermistor resistance is very high Check for Clogged lint screen Restricted vent system Thermistor resistance dO 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 ...

Page 2: ......

Page 3: ......

Page 4: ...at Blu 2 120vac L1 Blk CN6 1 SET GND 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 CN3 1 5V 2 SO 3 SI 4 RESET 5 CLOCK 6 FLMDO 7 DGND 8 Empty Pin CN4 1 DGND 2 5V 3 TEMP Sensor1 4 Fabric Detection Sensor 5 Fabric Detection Sensor 6 5V 7 TEMP Sensor2 CN2 1 Communications Port Rx 2 Communications...

Page 5: ...n 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 n...

Page 6: ...r 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 ...

Page 7: ...age 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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