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Appliance Fix Guide

LG Dryer error code

LG Dryer Error HI

Improve ventilation in the laundry room.

Improve ventilation in the laundry room.

ModerateStart with 5-15 minutes of safe checks
informationalno_parts
LG dryer repair guide for error HI
Error codeHIDryer

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Improve ventilation in the laundry room

    Improve ventilation in the laundry room.

  2. 2
    Ensure the dryer is not installed in a

    Ensure the dryer is not installed in a closet without adequate airflow gaps.

  3. 3
    Allow the room to cool down before restarting

    Allow the room to cool down before restarting.

A quick explanation

What does HI mean?

Improve ventilation in the laundry room.

The answer you came for

How to fix LG dryer error HI

Start with the safest checks and work from simple to technical.

  1. 1

    Improve ventilation in the laundry room

    Improve ventilation in the laundry room.

  2. 2

    Ensure the dryer is not installed in a

    Ensure the dryer is not installed in a closet without adequate airflow gaps.

  3. 3

    Allow the room to cool down before restarting

    Allow the room to cool down before restarting.

Read the additional checks from the current guide

How to Fix Dryer Error Improve ventilation in the laundry room.Ensure the dryer is not installed in a closet without adequate airflow gaps.Allow the room to cool down before restarting.

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

No replacement part recommended for this code

The researched guidance for LG Dryer error HI points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

Replacement options

Ready to replace your dryer?

If repairing this dryer no longer feels worthwhile, compare three replacement paths below.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

Free quick sheet

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Reviewed by the Appliance Fix Guide Editorial Team

Last reviewed and updated Apr 11, 2026 · Educational repair guidance, not a professional diagnosis

  • Researched against manufacturer documentation and service literature where available.
  • Safety-first structure: every guide starts with the safest first action and states when to stop and call a professional.
  • Part compatibility is treated cautiously: fitment must be confirmed against the exact model number before purchase.