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 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
Samsung 'Dryer' Diagnostic Code Quick Guide
Display
Fast Track Troubleshooting
Publication # tsDV407 Creation Date 1/22/2010
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: DV338***
DV339*** DV407***
DV409*** DV419***
DV438*** DV448***
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