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Washer2 min read · Published 2026-10-01 · Reviewed 2026-10-01 · By TrueFix Service Team

Samsung Washer Error Codes: What Each One Means and What to Do

Quick answer

Samsung washer codes like 4C (not filling), 5C (not draining), OE (overflow) and dC (door not closed) point to a specific system rather than a random fault. Check the table below for your code, try the matching quick check, and call if the code involves the heater, motor or keeps returning after a reset.

Error codes

Samsung Washers

CodeWhat it usually means
4C, 4E, nFNot filling: water not entering correctly
4C2, 4E2, CE, nF1Hot and cold supply hoses swapped
5C, 5E, SC, SE, ndNot draining
OE, 0E, OC, 0COverflow: too much water
1E, LE, 1C, LCMoisture detected where it shouldn't be, or a sensor issue
UE, Ub, U6, Ur, dcUnbalanced load
dC, dE, dE1, dE2, FL, LODoor not closed or locked
Sd, Sud, 5d, 5UdExcess suds
HC, HE, HE1, HrHeater malfunction
tE, tE1, tCTemperature sensor error
8E, 8E1, BEVibration (MEMS) sensor error
Cb, C6Calibration mode (not a fault)
CLChild lock on (not a fault)

Source: Samsung support

What you can check yourself

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When to call a technician

Call a technician if the code involves the heater (HC/HE/HE1/Hr), the motor circuit, or returns right after a reset. Never open the cabinet to access electrical components yourself.

Why Samsung uses so many similar-looking codes

Samsung reuses the same underlying fault across several display formats, which is why you'll see a code like "not draining" listed as 5C, 5E, SC, SE and nd depending on the washer's age and display type. They all point to the same system, so the fix is the same regardless of which exact string shows on your display.

The most common codes we see in LA and Orange County

4C/4E/nF (not filling) and 5C/5E (not draining) are the two most common service calls on Samsung washers in this area, and a lot of it comes down to Southern California's hard water: mineral buildup narrows the inlet screens over time, which a Samsung washer reads as a water-supply problem even though the valves themselves are fine.

dC/dE (door not closed or locked) is the other frequent call, especially on newer front-load models with a stronger door interlock — a worn door latch assembly is a quick, inexpensive fix when caught early.

A note on this brand's codes: Codes vary by model and production year. This list reflects Samsung's published support documentation as of this guide's last review — check your owner's manual or Samsung's support site for your exact model if your display shows something not listed here.

Sources: Samsung support — washing machine error codes

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My Samsung washer shows UE and shakes during spin — is that the same as an unbalanced load?

Yes. UE (and Ub, U6, Ur) means the washer detected an unbalanced load. Pause the cycle, redistribute the clothes evenly around the drum, and restart. If it keeps happening with normal loads, see our guide on washers that shake or walk during spin.

Can I fix a Samsung dC door code myself?

You can check for an obvious obstruction yourself, but if the door won't latch with nothing in the way, the door latch assembly likely needs replacing — that's a repair we recommend a technician handle.

Does a Cb or C6 code mean something is broken?

No — Cb and C6 indicate the washer is in calibration mode, not a fault. It should clear on its own once calibration finishes.

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