Samsung Dryer Error Codes | AppliancesCare

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📋 Error Code Index — Samsung Dryer

AE7Wireless Communication Fault bE3Button Stuck EtTemperature Sensor Fault FCVent Blockage — Airflow Restricted HEOverheating tE1Thermistor 1 Fault (Exhaust) tE2Thermistor 2 Fault (Drum) tE3Thermistor 3 Fault (Inlet)

AE7

Wireless Communication Fault

Wi-Fi or SmartThings communication module fault detected.

Low Priority

Possible Causes
Wi-Fi router signal lost
SmartThings app connection timeout
Communication module firmware issue
Diagnostic Steps
1Check Wi-Fi router connection
2Reconnect appliance to SmartThings app
3Power cycle dryer — may restore connection

bE3

Button Stuck

A button on the control panel is continuously activated.

Medium Priority

Possible Causes
Moisture on control panel causing false activation
Physical damage to button
Debris under button surface
Diagnostic Steps
1Dry control panel area with clean cloth
2Press all buttons to free stuck button
3Replace control panel if fault persists

Temperature Sensor Fault

Drum temperature sensor open or out of expected range.

Medium Priority

Possible Causes
Temperature sensor failed open or shorted
Connector loose or corroded
Diagnostic Steps
1Inspect sensor connector for corrosion
2Test sensor resistance — should vary with temperature
3Replace temperature sensor if reading is OL or near zero

Vent Blockage — Airflow Restricted

Dryer detecting restricted airflow through exhaust system.

High Priority

Possible Causes
Lint screen clogged with buildup
Exhaust vent duct blocked or kinked
Exterior vent flap stuck closed
Diagnostic Steps
1Clean lint screen thoroughly
2Inspect full exhaust duct run for blockage
3Check exterior vent flap opens freely during operation

Overheating

Drum temperature exceeded maximum safe limit.

Urgent

Possible Causes
Exhaust vent blocked — restricted airflow
Thermostat failed closed
Temperature sensor providing incorrect reading
Diagnostic Steps
1Stop dryer immediately
2Clean lint screen and inspect full exhaust duct
3Test thermostat and temperature sensor

tE1

Thermistor 1 Fault (Exhaust)

Exhaust air thermistor 1 open or out of expected range.

Medium Priority

Possible Causes
Thermistor failed open or shorted
Connector loose or corroded
Diagnostic Steps
1Inspect connector for corrosion
2Test thermistor resistance — should decrease as temp rises
3Replace thermistor 1 if reading is OL or near zero

tE2

Thermistor 2 Fault (Drum)

Drum air thermistor 2 open or out of expected range.

Medium Priority

Possible Causes
Thermistor failed open or shorted
Connector loose or corroded
Diagnostic Steps
1Inspect connector for corrosion
2Test thermistor resistance
3Replace thermistor 2 if reading is OL or near zero

tE3

Thermistor 3 Fault (Inlet)

Inlet air thermistor 3 open or out of expected range.

Medium Priority

Possible Causes
Thermistor failed open or shorted
Connector loose or corroded
Diagnostic Steps
1Inspect connector for corrosion
2Test thermistor resistance
3Replace thermistor 3 if reading is OL or near zero

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Important Notice: Error code information on this page is based on Samsung manufacturer service documentation. Dryer repair involves high-voltage components and hot surfaces. Always disconnect power before servicing. AppliancesCare Appliance Repair LLC provides this information for educational purposes only.