LG Dryer Error Codes Explained

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A code on your LG dryer’s display isn’t random, it’s a direct clue to what’s wrong. Knowing what LG dryer error codes actually mean can save you a service call for a quick fix, or tell you right away when it’s a job for a technician.

Quick Answer: Most Common Codes​

• dE / dE1 / dE2, door not closing or latching properly
• tE, temperature sensor fault
• AE, communication error between control boards
• d80 / d90 / d95, restricted airflow or blocked vent
• F1 / FE, control board or sensor malfunction

Door Error: dE, dE1, dE2​

This is one of the most common LG dryer codes, and often the easiest to fix.

• Make sure the door is fully closed and nothing, like a piece of clothing, is caught in the seal
• Check that the door latch strike isn’t bent or misaligned
• If the door closes firmly but the code persists, the door switch itself may have failed

Temperature Sensor Fault: tE​

This code means the dryer’s thermistor, the sensor that monitors drum temperature, isn’t reading correctly.

• A faulty sensor can cause the dryer to run too hot, too cold, or shut off unexpectedly
• This isn’t something to troubleshoot without testing the part, since a misreading sensor is an internal component issue
• Continuing to use the dryer with this code showing isn’t recommended until it’s checked

Communication Error: AE​

This points to a breakdown in communication between the dryer’s internal control boards, not a mechanical fault.

• Try unplugging the dryer for a few minutes to reset the boards
• If the code returns immediately after resetting, the wiring harness or a control board itself likely needs inspection

Airflow Restriction: d80, d90, d95​

LG dryers actively monitor airflow, and these codes mean the vent system is restricted.

• d80 usually indicates a moderately blocked vent
• d90 and d95 indicate more severe restriction
• Clean the lint filter, then check the full length of the exterior vent for lint buildup or blockages
• This is one of the few LG codes you can usually resolve yourself with a thorough vent cleaning

If your dryer is also taking multiple cycles to dry a load, restricted airflow is very likely the shared cause, our guide on dryer taking too long to dry covers this in more depth.

Control Board or Sensor Fault: F1, FE​

These codes typically point to a failure in the main control board or one of its connected sensors.

• A power reset (unplugging for several minutes) sometimes clears a temporary glitch
• If the code returns right away, this usually requires a technician to diagnose which specific component has failed

A Few More Codes Worth Knowing​

• CE, a control error, often resolved with a power reset but worth monitoring if it repeats
• AS, an issue with the auto-sensing dry feature, the dryer may not accurately detect when clothes are dry
• Ld, the load is too large for the sensor to read accurately, try splitting it into a smaller load
• PS, a problem with the power supply itself rather than an internal component, worth checking your outlet and breaker first

Using LG’s Smart Diagnosis Feature​

Many newer LG dryers include a built-in diagnostic tool that can identify the issue more precisely than the code alone.

• Call LG’s customer support line and hold the phone’s microphone near the dryer’s Smart Diagnosis button when prompted
• Alternatively, use the LG ThinQ app to run a diagnostic scan directly from your phone
• This process reads internal data beyond just the error code, useful when a code doesn’t fully explain what’s happening

Where to Find the Code on Older Models​

Not every LG dryer has a full digital display. Simpler or older models may show a shorter code or use indicator lights instead.

• Check your owner’s manual for the specific code-to-meaning chart for your model, since a few codes vary between dryer generations
• If you no longer have the manual, LG’s support site has manuals searchable by model number, usually found on a label inside the door or on the back panel

When a Reset Is Worth Trying First​

For most LG dryer codes, before assuming a part has failed:

• Unplug the dryer, or switch off the breaker, for 2 to 3 minutes
• Plug it back in and start a new cycle
• If the same code reappears immediately, it’s a genuine fault rather than a glitch

When to Call a Technician​

• A door, temperature, or airflow code keeps returning after basic checks
• You smell burning or notice the exterior running unusually hot
• The dryer won’t start or stops mid-cycle repeatedly
• You’re not comfortable inspecting the vent, door switch, or sensors yourself

Our team diagnoses LG dryer codes regularly as part of our dryer repair services in Calgary, for both gas and electric models.

What This Costs to Fix​

Diagnosis starts at $139 flat rate, and that fee is waived if you proceed with the repair. A door switch or vent cleaning sits at the lower end, while control board or sensor replacement costs more depending on parts and labor. You’ll know the exact number before any work begins.

Get That Code Resolved​

A recurring error code means something needs attention, not just repeated resets. Our certified technicians can pinpoint the exact cause and get your LG dryer running normally again.

Call (403) 305-5161 or book online. Questions first? Visit our contact page.

Frequently Asked Questions​

What does the dE code mean on an LG dryer?​

It means the door isn’t closing or latching properly. Check for anything caught in the seal and confirm the door closes firmly before assuming the switch has failed.

Can I fix a d80 or d90 airflow code myself?​

Often yes. These codes point to a restricted vent, and a thorough cleaning of the lint filter and exterior vent resolves many cases.

Is it safe to keep using my LG dryer if the tE code appears?​

It’s best to have it checked first. A faulty temperature sensor can cause the dryer to run hotter than intended, which is worth addressing before continued use.

Why does my LG dryer show an error code right after I reset it?​

If a code returns immediately after a power reset, it usually means the underlying issue is real, not a temporary glitch, and is worth having diagnosed.

How much does it cost to fix an LG dryer error code?​

Diagnosis starts at $139, waived if you proceed with the repair. Call (403) 305-5161 for a quote based on your specific code and model.



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