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Samsung Washing Machine Error Codes

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

Your Samsung washing machine uses 34 distinct error codes to flag faults before they turn into a full breakdown. The most common cluster around sensor (4), temperature (4), water supply (3). Of these, about 34 can usually be cleared at home without a technician, while 14 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 $520 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.

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Code	Meaning	Severity	DIY	Est. Cost
4C	Water supply not detected	⚠ Medium Severity	easy	$0–$60
UE	Unbalanced load detected	✓ Low Severity	easy	$0–$70
OE	Drain failure — water not draining	⚠ High Severity	moderate	$0–$90
LE	Motor locked — drum cannot rotate	⚠ High Severity	hard	$0–$300
DE	Door not properly closed or door lock failure	⚠ Medium Severity	moderate	$30–$100
HE	Water heater error — water not heating to target temperature	⚠ High Severity	hard	$15–$100
SUD	Excessive suds detected	✓ Low Severity	easy	$0–$10
tE	Temperature sensor (thermistor) fault	⚠ Medium Severity	moderate	$15–$35
bE	Button error — key stuck or shorted	✓ Low Severity	easy	$0–$150
HC	Heating over-temperature error — water heated beyond safe limit	⚠ High Severity	hard	$20–$110
1C	Water level sensor error — pressure (level) sensor fault	⚠ Medium Severity	moderate	$20–$60
9C1	Power supply error — abnormal/low line voltage detected	⚠ Medium Severity	easy	$0–$0
AE	Communication error — main and sub control boards not talking	⚠ Medium Severity	moderate	$0–$250
CE	Over-current motor protection — motor drawing excessive current	⚠ High Severity	hard	$0–$300
PE	Water pressure sensor (pressure switch) failure	⚠ Medium Severity	moderate	$20–$60
3E	Motor drive error — motor cannot reach commanded speed	⚠ High Severity	hard	$15–$250
SE	Motor tachometer / hall sensor error	⚠ High Severity	moderate	$15–$30
9E1	Low voltage detected — power supply problem	⚠ High Severity	easy	$0–$200
nF	No fill — water supply insufficient at start of cycle	⚠ Medium Severity	easy	$0–$70
AP	Aqua Protection activated — flood protection triggered	⚠ High Severity	moderate	$0–$90
FL	Door lock failure — cannot complete lock engagement	⚠ Medium Severity	moderate	$40–$90
bE2	Specific button on control panel shorted	✓ Low Severity	easy	$0–$150
E7	Heater circuit error — TRIAC failure	⚠ High Severity	hard	$40–$300
dC	Door cannot close — door detected open or unlatched during operation	⚠ Medium Severity	easy	$0–$75
Ub	Unbalanced load — drum cannot reach spin speed safely	✓ Low Severity	easy	$0–$80
U6	Unbalance error variant — repeated failed redistribution attempts	✓ Low Severity	easy	$0–$80
tE1	Water temperature sensor (thermistor) error — heater thermistor out of range	⚠ Medium Severity	moderate	$15–$90
tE2	Duct/outlet temperature sensor error (washer-dryer combo models)	⚠ Medium Severity	moderate	$15–$40
tE3	Condenser/steam temperature sensor error	⚠ Medium Severity	moderate	$15–$40
2H	Heating phase — estimated time over 2 hours (display status, often mistaken for an error)	✓ Low Severity	easy	$0–$90
E2	Drain error (older Samsung models) — water not draining in time	⚠ High Severity	moderate	$0–$80
E3	Overflow / water level error (older Samsung models)	⚠ High Severity	moderate	$20–$60
5C	Drain error — water not draining within the time limit	⚠ High Severity	easy	$0–$80
LC	Leak detected — moisture sensed in the base pan	⚠ High Severity	moderate	$0–$90