Samsung DV331AEW User Manual

Fast Track Troubleshooting
Publication # nwDV331 Revision Date 09/19/11
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:
DV331AEW DV331AGR
DV331AGW
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 l ow.
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

Samsung DV331AEW Specifications

General

Brand	Samsung
Model	DV331AEW
Type	Electric Dryer
Capacity	7.3 cu. ft.
Color	White
Number of Cycles	9
Number of Temperature Settings	4
Wrinkle Prevention Option	Yes
End of Cycle Signal	Yes
Power Source	Electric
Voltage	240 V
Amperage	30 A
Width	27 inches

Summary

Troubleshooting and Safety Information

Important Safety Notice for Technicians

Important safety notice for technicians regarding appliance repair risks and potential injuries.

Dryer Diagnostic Code Quick Guide

Lists dryer error codes, their causes, and troubleshooting actions for quick reference.

Support and Training Resources

Provides links to training, support portals, and customer help for Samsung products.

Gas Dryer Wiring Diagram

Main PCB Control and Connections

Details the main control board, its connectors, and component wiring for gas dryers.

Component Identification in Gas Dryer

Illustrates wiring for motor, valves, sensors, and switches within the gas dryer.

Electric Dryer Wiring Diagram

Main PCB and Component Wiring

Shows the main control board and connection points for the electric dryer's components.

Electric Dryer Component Connections

Illustrates wiring for heater, motor, sensors, and door switch in electric dryers.

Main Control Board and Parts Identification

Main PCB Connector Pinouts and Functions

Details the function of each connector and pin on the main control board.

Key Dryer Component Identification

Identifies major parts like blower housing, fan, heater, and thermistor for replacement.

Dryer Testing and Special Modes

Gas Valve Resistance Testing

Outlines procedures for testing gas valve coil resistance for proper operation.

Service Test Mode Operations

Explains how to enter diagnostic, cycle count, and temperature test modes.

Troubleshooting Dryer Belt Issues

Addresses the symptom of the dryer belt sliding off the pulley and its solution.

Wrinkle Prevent Feature Operation

Describes the function and operation of the Wrinkle Prevent tumbling feature.

Ducting Guidelines and Electric Heater Testing

Dryer Venting Recommendations

Provides recommended ducting lengths based on elbow count for optimal performance.

Testing Electric Heater Circuit

Details voltage testing for the electric heater and thermostat ohm testing.

Main PCB Output and Motor Circuit Testing

Testing Main PCB Power Output

Checks AC voltage output from Main PCB to heating and motor circuits.

Testing Motor Circuit Resistance

Measures motor circuit resistance and tests thermostats/switches using an ohmmeter.