LG Washer Error Codes Explained — IE, OE, UE, dE and the Rest

LG washers speak in two-letter codes, and most owners only ever meet four of them: IE (won't fill), OE (won't drain), UE (unbalanced), and dE (door). All four have legitimate do-it-yourself first steps — and a clear point where stopping and calling saves you money instead of costing it. Here's the full list, decoded the way we'd explain it at your machine.

LG has used this code set fairly consistently across front-load and top-load models for years, but trims differ — if your display shows something not in this table, your model's manual is the authoritative source for that machine.

LG washer error codes at a glance

The codes you can fix yourself

IE — water inlet

The machine timed out waiting for water. Check the obvious chain first: both faucets fully open, hoses not kinked behind the machine, and the small mesh screens at the washer end of the hoses clear of grit. If you're on well water or have known low pressure, IE can simply mean a slow fill — LG's timer doesn't care why the water is late. Cold-only fills that trigger IE in winter sometimes trace to a frozen hose in garage installations (see FF).

OE — drain

LG front-loaders give you about ten minutes to empty before throwing OE. The drain pump filter — behind the little door at the bottom-front — catches everything that escapes pockets, and a half-blocked filter drains just slowly enough to trip the timer. Towels down, twist it out, clean it, and check the drain hose isn't kinked or jammed too far down the standpipe. Our washer not draining guide covers the full sequence including the siphon check most people miss. Clean filter, code returns: the pump motor is the suspect, and that's a service visit.

UE / uE — balance

Lowercase uE is the washer working the problem on its own — adding water and tumbling to redistribute. Let it. Uppercase UE means it gave up: open the door, break up the knot of fabric (one wet comforter wrapped around the drum defeats any balancing algorithm), and restart. UE on every cycle is either a machine that isn't level — check the feet — or worn suspension, which is technician work.

dE / Sud / PF / CL — the quick ones

dE usually means the door isn't actually shut: look for a sock or seal lip caught in the latch path. Sud pauses the cycle while foam settles — too much detergent, or the wrong kind; HE machines want HE detergent, and less of it than you think. PF just records a power blip — restart. CL isn't an error at all: the child lock is on, and holding the marked buttons for a few seconds releases it.

The codes that mean call a technician

AE / E1 (leak detected) top the urgency list: a sensor in the drip pan is wet, so water is escaping inside the cabinet. Stop using the machine and shut its faucets — every cycle you run pumps more water at your floor and whatever's under it.

LE (locked motor) deserves one honest caveat: after a very heavy load on a hot day, LE can be a one-time overload — unplug for 30 minutes, then retry once. If it returns, the motor's hall sensor or the motor itself needs testing. tE, PE, CE, dL, EE, and vS all point at sensors, the motor circuit, or the control board — diagnosis means live-voltage testing inside the cabinet, which is exactly the part of this job that shouldn't be a weekend project.

Preventing the two codes you'll see most

OE and IE are largely maintenance codes, and a few habits keep them away:

• Clean the drain pump filter every month or two — more often with pets in the house. Hair and lint are the slow killers of drain timing; a filter that's a quarter blocked still drains, just slowly enough to flirt with the 10-minute OE limit.
• Run the tub-clean cycle monthly if your model has one, and leave the door cracked between loads. Detergent residue narrows the drain path over time, and the same residue is what Sud codes are made of.
• Check the inlet screens once a year — twice in hard-water areas like Pittsburgh and DC, where mineral grit collects on the mesh and slowly starves the fill, eventually showing up as IE on cold mornings when pressure dips.

None of this requires tools beyond a towel and ten minutes, and it's the difference between a washer that hits its timing windows for years and one that throws codes every winter.

Finding the exact code list for your model

LG's two-letter set is consistent, but trims differ in which sensors they carry — a machine without a vibration sensor will never show vS, and some models report faults through LG's ThinQ app with plain-language descriptions. For the authoritative list for your machine: check the troubleshooting section of your manual (LG publishes them online — search the model number from the sticker inside the door frame or on the back), and photograph that model sticker while you're there. You'll need the full model number for any parts lookup or service call, and reading it to us over the phone is the fastest way to arrive with the right part on the truck.

What an LG washer repair costs

Washing machine repairs run $100–$350 depending on the part. Drain pumps, door locks, and inlet valves sit toward the lower end; motor and control board work toward the top. The $75 service call applies toward the repair, you get a written quote before any work starts, and every repair carries a 90-day parts-and-labor warranty.