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Samsung Dryer Error Codes

19 error codes with causes and step-by-step fixes

Your Samsung dryer uses 19 distinct error codes to flag faults before they turn into a full breakdown. The most common cluster around airflow (4), sensor (3), heating (3). Of these, about 19 can usually be cleared at home without a technician, while 5 point to more serious faults that may warrant a professional. Typical repair costs on this appliance run from $0 for simple DIY fixes up to $420 for professional component replacement.

Find your code in the table below for its exact meaning, the most likely causes ranked by how often they're the culprit, a step-by-step fix, the parts you may need, and a clear call on when it's worth phoning a repair pro.

🔍 How to Enter Diagnostic Mode 🔄 How to Reset & Clear Codes

Code	Meaning	Severity	DIY	Est. Cost
tE	Thermistor (temperature sensor) failure	⚠ Medium Severity	moderate	$15–$40
HE	Heater fault — drum not heating or overheating	⚠ High Severity	hard	$10–$100
OD	Vent blockage detected	⚠ Medium Severity	easy	$0–$50
bE2	Button error — a control-panel key is stuck	✓ Low Severity	easy	$0–$150
9C1	Power supply error — abnormal/low line voltage	⚠ Medium Severity	easy	$0–$0
9E1	Line voltage abnormality — supply voltage out of range	⚠ Medium Severity	easy	$0–$0
AC	Communication error — main and sub control boards not communicating	⚠ Medium Severity	moderate	$0–$280
FE	Frequency error — abnormal power supply frequency	⚠ High Severity	hard	$0–$280
Et	Communication error — connection between boards	⚠ Medium Severity	hard	$50–$280
bC2	Button card error — control panel communication failure	⚠ Medium Severity	moderate	$50–$130
HC	High temperature detected — overheating safety shutdown	⚠ High Severity	moderate	$8–$35
AE	Communication error — internal signal failure	⚠ Medium Severity	hard	$0–$280
1 AC	Air circulation error — insufficient airflow detected through the drum	⚠ High Severity	easy	$0–$30
Clg	Clog warning — exhaust duct restriction detected (early D80/D90 indicator)	⚠ Medium Severity	easy	$0–$30
nG	No gas — burner failed to ignite (gas models)	⚠ High Severity	hard	$15–$90
PS	Duct sensor blockage — vent/moisture sensor reading abnormal due to restricted exhaust	⚠ Medium Severity	moderate	$0–$35
tS	Thermistor short circuit — temperature sensor reading too low resistance	⚠ Medium Severity	easy	$10–$25
tO	Thermistor open circuit — temperature sensor disconnected or failed open	⚠ Medium Severity	easy	$10–$25
dC	Door open — door detected open during operation	✓ Low Severity	easy	$8–$30

⚠️ Serious Errors — Act Quickly

Heater fault — drum not heating or overheating

The control board monitors the heating circuit and drum temperature sensors, the…

Frequency error — abnormal power supply frequency

The control board samples the incoming AC line and measures its frequency, expec…

High temperature detected — overheating safety shutdown

The HC code fires when the dryer's control board reads a drum or exhaust tempera…

1 AC

Air circulation error — insufficient airflow detected through the drum

The control board interprets 1 AC when the drum's temperature climbs faster than…

No gas — burner failed to ignite (gas models)

The dryer's igniter glowed but the flame sensor never detected ignition, or gas …

No Code on the Display?

Start from what the dryer is doing instead:

Dryer Not Heating Dryer Not Drying Clothes Dryer Won't Start 💰 Dryer repair costs