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Models: DV338***
DV339*** DV407***
DV409*** DV419***
DV438*** DV448***
Fast Track Troubleshooting
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.
Publication # tsDV407 Creation Date 1/22/2010
Sams ung 'Dryer' Diagnostic Code Quick Guide
Display
do Door Open
FE
dF Door Circuit Failure
hE or HE Heater Error
Description Trigger Action Taken
Dryer Thermistor Short
Sensed
Dryer Thermistor Open
Sensed
Power source frequency
Error
The Thermistor resistance is
very l ow.
The Thermistor resistance is
very high.
Running the dryer with door
open
Invalid power source Frequency Check for: Non Utility power supply
Invalid state for more than 256
milliseconds
Invalid heating Temp in running
the dryer
Check for: Clogged lint screen,
Restricted vent system, Thermistor
resistance.
Check for: Clogged lint screen,
Restricted vent system, Thermistor
resistance.
Check for: Loose or open wire
terminals in Door Sense circuit.
Check for: Loose or open wire
terminals in Door Sense circuit.
Check for: Restricted vent system,
Thermistor resistance.
bE Button Error PCB key closed for 75 sec. Check Display PCB for stuck button