MODEL PROFILE

Washing machine / LG

WT7400CW

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Signal or code

Error codes and display signals

The official manual linked for this model documents these messages. Some indicators apply only to variants that display them; each entry is labeled as a code, indicator, or status.

Model and error-code facts may be shown in the language of the original source.

MODEL OVERVIEW

About this model: LG WT7400CW

The white WT7400CW is a 5.5-cu-ft top-loader with verified IE/OE/UE, lid-lock and electrical fault codes in its linked LG owner manual.

What the white WT7400CW actually provides

WT7400CW is the white version of LG's 5.5-cubic-foot WT7400C top-load washer. The product-linked builder sheet names that finish directly and lists eight wash cycles, sixteen options, an impeller and a stainless-steel wash plate. It confirms TurboWash3D, ColdWash, Water Plus, Wi-Fi and Smart Pairing, while explicitly listing no steam heater. The exact WT7400CW.ABWEUUS support page links the English owner PDF; its cover includes WT7400C*. Page 22 shows the matching eight-position rotary selector with a digital time window and buttons for temperature, spin, soil and options. These cross-checks matter because the same owner guide also covers WT7250, WT7300 and WT7480 family members.

The display should be read in context. Page 23 says three dashes may appear until load sensing calculates a duration. The number can change again after Start/Pause because water temperature, load size and other conditions affect the estimate. Stage lights blink or remain steady as the wash progresses, and the lock lamp comes on when the lid is secured for a running cycle. A lit Wi-Fi symbol only reports network connection. None of those ordinary indicators is an error code. If a setting cannot be selected, first check whether that modifier is available on the current cycle; the option table restricts several combinations.

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Select a program for the actual load

The owner separates Normal, Heavy Duty and Deep Wash for good reasons. Normal is for everyday cottons, linen, shirts, jeans and mixed laundry without delicate wool or silk. Heavy Duty uses more forceful motion for heavily soiled cotton; the brief soak intervals described in that cycle are intentional, not a stall. Deep Wash adds water for heavily soiled mixed items but still excludes fragile fabrics. Bedding is meant for bulky blankets, sheets, comforters and similar pieces that need space to move. Overfilling the tub with one oversized item can leave too little room for a useful wash. The exact specification gives five selectable spin speeds and three soil levels, so these choices can be adjusted to the fabric care label.

Waterproof is a separate low-spin program for appropriate resistant clothing, mattress covers and outdoor articles below the manual's fourteen-pound limit. The guide warns against mixing waterproof and ordinary fabrics in that cycle. Delicates instead targets light, easily damaged clothing below eight pounds, with a low default spin. Pre Wash+Normal is a two-stage choice for stains: at its chime, pause and add the main detergent and remaining garments as directed. Water Plus is available on several cycles but not Bedding; Soak is excluded from Waterproof. This makes the option list a set of conditional tools, rather than sixteen buttons that can all be active together.

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Care and normal messages before diagnosing a fault

Use the three-tray dispenser as identified in the exact sheet: main wash with a liquid-detergent cup, bleach and fabric softener have separate places. The manual's maintenance section describes removing residue from the drawer and opening, drying the parts and seating the inserts again. For Tub Clean, follow the cleaning-product directions and do not overfill the bleach or powder lines. The owner explains that `tCL` signals a Tub Clean cycle or a reminder to run it; it is not a failure code. Likewise `CL` means Control Lock is engaged, and the panel shows it alternately with time when controls are locked. Turning the power off alone does not clear that setting.

Two other short messages are informative. `dr` appears when a paused cycle remains stopped long enough for the washer to cancel and drain remaining water. `ub` reports that the machine has detected an unbalanced load and is trying to redistribute it, so the displayed time can grow. Both are described by LG as normal functions rather than faults. This distinction helps avoid ordering parts merely because the display changed. Record the exact letters and the stage of the cycle before taking further action. Also check a loose lid and a badly bunched load first, since the page 41 fault table gives separate messages for a lid that is not closed and one that will not lock.

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Fault codes in the linked owner manual

The actual error table begins on page 40. `UE` means the load cannot be balanced after the machine's attempt; add suitable items to a very small load or redistribute tangled articles. `IE` concerns inadequate filling. The manual directs checks of fully opened taps, inlet hoses, inlet screens and house pressure, and even warns that leak-limiting hoses may trip too readily. It also specifies a minimum drain-hose outlet height of 29.5 inches because an overly low hose can interfere with filling. `OE` is a drainage problem: check for a kink or clog and ensure the discharge is below the stated 96-inch maximum. These are distinct water-path diagnoses, so one code should not be answered by blindly changing every hose.

Page 41 distinguishes `dE` for an improperly closed lid from `dL` for a lock that cannot engage. `LE1` points to a foreign object trapped between the pulsator and inner tub; follow the manual's stop, drain and inspection steps. On the same page, `tE` is a control-related fault; LG asks for an unplugged wait before retrying and service if it persists. `FE` concerns excess water from a faulty valve, and `PE` a water-level sensor; shut the taps, unplug and seek service as the table directs. Page 42 adds `LE` motor lock, `Eb` clutch failure and `PS` incorrect supply voltage. `LE` permits a thirty-minute rest and retry; clutch and supply problems call for service. The rendered pages show these segmented display glyphs clearly even where extracted PDF text reads their shapes imperfectly.

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Verified model details

This description summarizes the linked source documents; check each cited source for your exact model and region.

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Official source linked

LG WT7400CW.ABWEUUS: Support, Manuals, Warranty & More | LG USA Product Support Page

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If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.

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