LG Dryer Error Code HS
Humidity sensor error — moisture sensing failure
The humidity sensor that detects when clothes are dry has failed. The dryer will continue running but cannot auto-detect dryness — it will run to the full timer duration only.
What Does Error Code HS Mean on a LG Dryer?
Humidity sensor error — moisture sensing failure.
The humidity sensor that detects when clothes are dry has failed. The dryer will continue running but cannot auto-detect dryness — it will run to the full timer duration only.
What Causes Error Code HS?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Humidity sensor bars dirty (coated with fabric softener) 60% of cases
- 2 Humidity sensor failure 25% of cases
- 3 Sensor wiring fault 15% of cases
How to Fix LG Dryer Error Code HS
- 1
Clean the humidity sensor bars
The sensor is usually two metal bars inside the drum near the front. Clean with rubbing alcohol on a cotton ball. Fabric softener coating is the most common cause.
🔩 Rubbing alcohol 🔩 Cotton balls - 2
Test the sensor
Check resistance between the bars — should change when you hold them with wet fingers vs dry.
- 3
Replace the sensor
If cleaning doesn't resolve.
🔩 LG dryer humidity sensor ($20–$50)
How to Reset Error Code HS
After cleaning sensor bars, run a test cycle on Auto Dry.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
When to Call a Professional
HS rarely causes complete drying failure — dryer still runs, just can't auto-sense. Low urgency.
Related Error Codes
Find Replacement Parts
Use these links to find the exact replacement parts for your LG Dryer:
External links — ApplianceErrors.com is not affiliated with these retailers.