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LG Refrigerator or freezer 33 Code: Meaning & Troubleshooting

Service if the code returns

error code

LG 33 means the refrigerator detected a compressor-relay problem.

First thing to do

LG requires repair service for 33.

Can I keep using it? Do not access the compressor, relay, sealed system, or wiring.

DIY level: Stop — professional guidance required

See the stop instructions

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.

Stop — professional guidance recommended

Do not access the compressor, relay, sealed system, or wiring.

LG requires repair service for 33.

LG 33 means the refrigerator detected a compressor-relay problem. The source does not establish which component has failed from these answers. Do not continue into electrical testing, gas work, wiring, or disassembly.

Give support the model, displayed code, and checks listed below. Check warranty coverage before paying for service. A written quote lets you compare repair with replacement.

Repair or Replace?

Your check history

No checks completed yet.

Professional service guidance

LG requires repair service for 33.

  • Request LG repair service for 33.

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 33 means the refrigerator detected a compressor-relay problem.

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 test or replace the compressor relay.

Do not access the compressor, relay, sealed system, or wiring.

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

Request LG repair service for 33.

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

  • 33 Error Code section

    Source-backed summary

    33 indicates a problem with the compressor relay; there are no troubleshooting steps and the unit requires repair service.

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