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LG Dryer Error Codes: d80, tE1, nP, HS and More

LG dryer codes from LG's official dryer error-code list, scoped to the DLE3400W and DLG3401W, with the meaning, first step and source for each.

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Short answer: The most common LG dryer code is d80 (or d90/d95), which means the exhaust vent is clogged. Thermistor codes (tE1, tE2, tE3), nP (no power at the heater) and HS (humidity sensor) come next. The table gives LG's own meaning for each code on its official dryer code list, scoped to the DLE3400W and its gas twin DLG3401W.

Scope and model check

This collection is scoped to the U.S. LG DLE3400W 7.4 cu. ft. ultra-large capacity front-load dryer family (including electric DLE3400W and companion gas DLG3401W), using LG's exact DLE3400W product-support page as the model boundary and LG's official dryer error-code guide as the primary reference. The table below lists the codes on LG's dryer code list that apply to this family. Other LG dryers, combo washer-dryers and international models can use different labels or sensors; check the rating plate behind the door and the owner manual first.

These codes indicate specific airflow, power, temperature or mechanical conditions. Do not bypass safety thermal cutoffs, operate a dryer with a blocked vent, probe live 240-volt electrical circuits, or work on gas lines without qualified service.

All codes at a glance

Match the complete code on your display. Meanings are the manufacturer's, summarized; follow the link for the full guide where one exists.

CodeWhat the manufacturer says it meansFirst step
d75, d80, d90, d95Exhaust duct about 75%, 80%, 90% or 95% blocked (on gas models d80 can mean no gas)Clean the lint screen, transition duct and wall vent.
dEDoor error: door not fully closed, misaligned or damagedClear the opening and close the door firmly.
tE1, tE3Thermistor (temperature sensor) problemFactory reset (unplug and restart); book service if it returns.
tE2Thermistor problem, usually in cold conditionsLet the dryer warm to room temperature and reset.
nPNo current detected at the heater, usually home wiringCheck the breaker; have an electrician check the circuit.
PSImproper voltage in the power cord, possibly reversed wires at the terminal blockHave the cord installation checked by a qualified installer.
HSHumidity sensor error; the dryer may run about 2.5 hoursClean the sensor bars below the lint filter.
PFPower failure, usually after an outageFactory reset (unplug and restart).
gASGas model is not receiving gas (can look like 9A5)Check the gas shutoff valve; call a gas technician.
CLChild Lock is on (not a fault)Turn Child Lock off as your manual describes.

How to use this collection

Note the exact code, verify the model number from the rating label inside the door rim, and start with the accessible, non-destructive checks in the matching guide. If an airflow warning returns after cleaning, clear the entire home ductwork before running another load; running a restricted dryer risks thermal fuse failure or fire. For the companion washer, see the LG WM3400CW washer code hub.

Sources

Other code tables on Error Code Daily: Bosch dishwashers, Samsung front-load washers (WF45T6000A*), LG front-load washers (WM3400CW).

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The labels below are article titles. Match your exact device and complete code before using any instructions.

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