Samsung washer error codes

Find your code below, then run the free checks before buying anything. Each row says what the code means and how serious it is.

Worth knowing about Samsung

Codes ending in C are the newer naming of the older E-suffix codes for the same fault (5C = 5E, 4C = 4E). A two to three minute power-off clears one-off sensor glitches.

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Showing all 21 codes

The 21 Samsung washer codes verified so far, whether or not each has its own page. Manufacturers document codes across several places, so a code missing here is one we have not confirmed yet — not one that does not exist. 7 of 21 have passed review and link to a full page.
Code	Also shows as	What it means	Category	Severity	Effort
4C	4E · 1 4C · nF	Water supply — not filling or filling too slowly	Not filling	Low	Free check
4C2	4E2 · nF1 · CE	Hot and cold hoses connected to the wrong inlets	Not filling	Low	Free check
5C	5E · SC · SE · nd · 1 5C	Drain problem — water leaving slowly or not at all; start at the debris filter	Not draining	Medium	Free check
UE	UB · Ur	Unbalanced load during spin — redistribute laundry; recurring with a balanced load points to suspension	Unbalanced or overloaded	Low	Free check
dC	DC · dE · dE1	dC means the door will not lock, so the washer cannot start the cycle.	Door or lid lock	Medium	Free check
LC	1C · 1E · LE1 · LC1	Leak detected or water-level sensor misreading — check for a real puddle first	Leaking	High	Free check
OC	OE	Overflow condition	Overflowing	High	Free check
3C	3E	Motor-related fault	Motor	High	Major repair
tE	tE1	Temperature sensor (thermistor) fault	Sensor	Medium	Cheap part
HE	—	Heater fault	Heating	Medium	Major repair
9E1	9E2	Power supply irregularity — use a dedicated circuit and no extension cord; if it persists the board is suspect	Power	Medium	Free check
LE	—	LE means the water level has dropped below the point the washer resets to during the wash or rinse — water is leaving the machine when it should not be.	Leaking	High	Free check
Sud	Sd · SUd	Excess suds — the machine pauses and runs a recovery; use HE detergent at a reduced dose	Too many suds	Info	Free check
LO	—	LO means the door will not unlock — the washer has tried seven times and given up.	Door or lid lock	Medium	Major repair
E2	bE2	E2 means a button on the control panel is stuck down.	Control board or panel	Medium	Free check
Hr	—	Hr is a heater relay failure. The relay is part of the main control board, so there is no separate part to replace.	Heating	Medium	Major repair
2E	—	2E is an internal failure of the electronic control board.	Control board or panel	Medium	Major repair
AE	—	AE means the main control board and the display control board cannot talk to each other.	Control board or panel	Medium	Major repair
SF	—	SF is a general electronic control board error.	Control board or panel	Medium	Major repair
FL	—	FL means the door failed to lock after seven attempts, so the washer stops rather than starting the cycle.	Door or lid lock	Medium	Major repair
ds	dS	ds means the washer read the door as open while it was locking it.	Door or lid lock	Medium	Major repair

Before you check anything

Disconnect the power first. Unplug the machine at the socket, or switch off its circuit at the consumer unit if it is hard-wired. Do this before opening any panel, reaching into a pump filter, or moving the appliance.
Turn off the water before disconnecting a hose, and have a towel and a shallow tray ready — a drain hose holds water even when the drum looks empty.
Gas, mains wiring and sealed refrigeration are for a qualified professional — in many countries that is a legal requirement, not advice. If you smell gas, do not touch any switch: leave, and call your gas emergency number from outside.
Stop if you smell burning, see scorched wiring, or find water near an electrical connection. None of those is a code to look up.

The checks on this page are the manufacturer’s own, rewritten and sourced, and they are reference information rather than a repair instruction for your particular machine. Model, age and installation all change what is safe to do. You are the one standing in front of it — if a step looks wrong for the machine you have, trust that and call a technician.