LG Refrigerator Error Code 22: How to Fix It

Medium 30-45 minutes Critical Severity Verified June 2026
Error Code
22
Brand
LG
Product Type
refrigerator
Severity
Critical
DIY Difficulty
Medium
Estimated Fix Time
30-45 minutes
LG refrigerator error code 22 (also displayed as code 33) indicates a compressor relay malfunction that prevents your refrigerator from cooling properly. This critical error means the compressor cannot start or operate correctly, requiring immediate attention to prevent food spoilage.
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Tools You'll Need

How to Fix Error Code 22

  1. Safety First - Unplug the Refrigerator

    Always disconnect power before working on electrical appliances to prevent shock or injury.
  2. Locate the Compressor and Relay

    Be careful when moving the refrigerator - have someone help you to avoid injury.
  3. Remove the Start Relay

  4. Test the Start Relay

  5. Check the Overload Protector

  6. Inspect Compressor Terminals

  7. Replace Faulty Components

  8. Reassemble and Test

Parts You May Need

Compressor start relay
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Compressor overload protector
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Compressor start relay
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Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
Compressor start relay
Check Price on Amazon
Compressor overload protector
Check Price on Amazon
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When to Call a Professional

Call a professional if the compressor itself is faulty (no humming sound when powered on), if you're uncomfortable working with electrical components, or if the error persists after replacing the relay and overload protector. Compressor replacement requires specialized tools and refrigerant handling certification.

Frequently Asked Questions

What causes LG refrigerator error code 22?
Error code 22 is typically caused by a faulty start relay or overload protector that prevents the compressor from starting properly. These components can fail due to age, electrical surges, or overheating.
Can I still use my LG refrigerator with error code 22?
No, you should not continue using the refrigerator with error code 22 as the compressor cannot operate properly, meaning your food will not stay cold and may spoil. Address the issue immediately.
How much does it cost to fix LG refrigerator error code 22?
DIY repair typically costs $15-40 for a new start relay and overload protector. Professional repair ranges from $150-300 depending on your location and the specific components needed.
Is LG refrigerator error code 22 the same as code 33?
Yes, both error codes 22 and 33 on LG refrigerators indicate the same compressor relay problem. Different model years may display different codes for the same underlying issue.
How long do LG refrigerator start relays typically last?
Start relays typically last 5-10 years under normal conditions. However, they may fail sooner due to electrical surges, frequent power outages, or if the compressor is working harder due to other issues.