LG Refrigerator Error Code HS: How to Fix It

Medium 30-60 minutes High Severity Verified June 2026
Error Code
HS
Brand
LG
Product Type
refrigerator
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code HS on your LG refrigerator indicates a problem with the humidity sensor, which is either shorted or disconnected. This sensor monitors moisture levels inside your refrigerator to maintain optimal freshness conditions. When this error appears, your refrigerator may struggle to maintain proper humidity levels, potentially affecting food preservation.
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Tools You'll Need

How to Fix Error Code HS

  1. Safety First - Power Down

    Always disconnect power before performing any electrical repairs to avoid shock hazards.
  2. Reset the System

  3. Locate the Humidity Sensor

  4. Inspect Sensor Connections

    Handle wiring connections gently to avoid damaging delicate connector pins.
  5. Check for Physical Damage

  6. Test Sensor Resistance

    Ensure the refrigerator remains unplugged while performing electrical tests.
  7. Check Main Control Board Connections

  8. Replace Faulty Components

    Use only manufacturer-approved replacement parts to ensure proper operation.
  9. Test the Repair

Parts You May Need

Humidity sensor
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Wire harness connector
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Main control board
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Humidity sensor
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Wire harness connector
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Main control board
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Humidity sensor
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Wire harness connector
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Main control board
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Humidity sensor
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Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
Humidity sensor
Check Price on Amazon
Wire harness connector
Check Price on Amazon
Main control board
Check Price on Amazon
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When to Call a Professional

Call a professional technician if the control board appears damaged, if you're uncomfortable working with electrical components, or if the error persists after replacing the humidity sensor. Additionally, seek professional help if multiple error codes appear simultaneously or if the refrigerator cooling system is also malfunctioning.

Frequently Asked Questions

What causes LG refrigerator error code HS?
Error code HS is caused by a faulty humidity sensor that has either shorted out internally or become disconnected from the control board. This can result from sensor wear, moisture damage, or loose wiring connections.
Can I still use my LG refrigerator with error code HS?
Yes, your refrigerator will continue to cool, but humidity control may be compromised. This could affect food freshness and lead to excess moisture or dryness in certain compartments. It's best to address the error promptly.
How much does it cost to replace an LG refrigerator humidity sensor?
A replacement humidity sensor typically costs between $25-$75 for the part. Professional installation may add $100-$200 in labor costs, depending on your location and service provider.
How long does an LG refrigerator humidity sensor last?
Humidity sensors typically last 5-10 years under normal operating conditions. Factors like frequent door openings, high ambient humidity, or power surges can affect sensor lifespan.
Will error code HS affect my refrigerator's warranty?
If your LG refrigerator is still under warranty, the humidity sensor replacement should be covered. Contact LG customer service or an authorized service center before attempting DIY repairs to avoid voiding your warranty.