| Brand | Code | Usually means |
|---|---|---|
| LG | OE | Not draining — check the drain pump filter first |
| LG | UE | Unbalanced load — redistribute before assuming a fault |
| LG | LE | Motor / rotor locked |
| LG | IE | Slow or no fill — taps, hoses, inlet valve screens |
| Samsung | 4E | Water supply / fill fault |
| Samsung | 5E | Drain fault |
| Samsung | UE / UB | Unbalanced load |
| Samsung | DC | Door not closed or lock fault |
| Whirlpool / Maytag | F21 / 5D | Long drain — filter, hose or pump, or excess suds |
| Whirlpool / Maytag | F5 E2 | Door lock fault |
| Whirlpool / Maytag | Sud / Sd | Too much foam — detergent type or dose |
| GE | E23 | Drain pump circuit |
Drain codes — OE, 5E, F21, 5D — are worth investigating before calling anyone, because the drain pump filter is behind an access panel at the bottom front of the machine and is very often simply blocked. Unbalanced-load codes usually mean exactly that: a single heavy item defeating the balance sensor. Suds codes mean the wrong detergent or too much of it; front-loaders require HE detergent, and over-dosing produces foam the machine cannot cope with.
Motor, door-lock and control-board codes are not sensible to chase with parts. A code pointing at the motor can be the motor, the control board, the wiring, or a sensor. A door-lock code can be the latch or the board commanding it. Control boards are among the most expensive parts in the machine, so a proper diagnosis before ordering one genuinely saves money.
This happens often enough to be worth saying: a control board that is itself failing will report whatever it believes, and that may have no relationship to what is actually wrong. Power surges are a common cause and the damage does not always appear immediately after a storm. If a machine is reporting codes that make no sense together, the board is a reasonable suspect — but only after the cheaper possibilities have been ruled out.
Most front-loaders will clear a transient code if you power the machine down at the outlet for a minute and restart. If the code returns immediately on the next cycle, it is reporting a real fault rather than a glitch.

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