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LG · Refrigerator or freezer

LG Refrigerator or freezer dH Code: Meaning & Troubleshooting

Safe checks availableService if the code returns

error code

LG dH means the refrigerator did not reach its target evaporator temperature within one hour of defrosting.

First thing to do

Unplug the refrigerator for two minutes, reconnect it, and allow it to defrost again.

Can I keep using it? Use only the documented reset; do not access the defrost system.

DIY level: Only the documented user checks below

Start Troubleshooting

Interactive troubleshooter

Follow the official checks one at a time. A code and your answers do not confirm a failed part.

Model number (optional)

Brand / appliance verified. Exact model not checked.

Scope: LG refrigerators covered by the cited official US support page. Model stays in this tab; it is excluded from analytics.

Use only the documented reset; do not access the defrost system.

1 documented check. Check time is not specified by the source.

The current official source documents only these checks. If they do not resolve the message, follow the manufacturer’s next step; extra repair procedures are not verified here.

Safe external checks

Unplug the refrigerator for two minutes, reconnect it, and allow it to defrost again.

  1. Unplug the refrigerator for two minutes, reconnect it, and allow it to defrost again.

Safe checks and when to request service

Request LG repair service if dH persists.

  • Request LG repair service if dH persists.

Separate hazard signs such as smoke, flooding, sparks, or a burning smell require the manufacturer's safety instructions.

Official meaning, scoped to this source

LG dH means the refrigerator did not reach its target evaporator temperature within one hour of defrosting.

Manufacturer
LG
Document
LG Refrigerator – Error Code List · Official error-code index
Product family
refrigerators covered by the US Help Library index
Market and locale
US · en-US

This is an official-source interpretation for the stated scope, not a confirmed diagnosis. Meaning can change across brands, models, product families, and markets.

Market, product family, and model applicability

US · en-US · LG refrigerators covered by the cited official US support page

Exact model applicability has not been verified.

This release retains family or source-index scope only. Do not infer that an arbitrary model uses this code; confirm it in the exact manufacturer manual.

Open the official model/manual lookup (opens in a new tab)

Do not do

Do not remove panels or service heaters, sensors, or refrigerant components.

Use only the documented reset; do not access the defrost system.

Check warranty before authorizing service

Warranty coverage depends on the country, model, purchase date, and manufacturer terms. Have the model and serial number available, open the manufacturer's official support or warranty page, and ask whether the service route is authorized before paying for work.

This public record does not make a coverage determination. Use the official model lookup and warranty information linked below.

Open official model lookup (opens in a new tab)↗View source and warranty links

If the message returns

If dH persists after the reset, request LG repair service.

Explore the same symptom

Heating or airflow

Source and scope

Official source verified at release
Market and locale
US · en-US
Product family
refrigerators covered by the US Help Library index
Content and safety verified on
July 26, 2026
Source updated by manufacturer
Not supplied in the official record

LG

LG Refrigerator – Error Code List · Official error-code index

Open official source (opens in a new tab)

Verification and review status

  • Content meaning and safety verifiedJuly 26, 2026
  • Source reachability statusOfficial source verified at release
  • Automated evidence review completedPassed · July 26, 2026
  • Automated safety rules checkPassed for this published safety boundary
  • Human technical reviewPending — no human completion is claimed
  • Publication gateAutomated publication checks passed · July 26, 2026
  • Official-source conflictNo unresolved conflict admitted to this public release

Automated checks and release approval are not a substitute for a qualified service professional or the exact manufacturer manual.

Evidence used for this guidance

  • dH Error Code section

    Source-backed summary

    dH means the unit spent over one hour trying to defrost; unplug for two minutes and allow another defrost, then request repair if it persists.

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