LG Dryer HS error code
Dryer
Reviewed August 2025 · sources below
On LG dryers, error HS indicates: Humidity sensor error — the dryer may run a very long cycle until the sensors are cleaned. Start with a 5-minute power reset at the breaker, then follow the dryer-specific checks below before ordering replacement parts for HS.
Safe to keep using?
No safety issue
This is a status or lock code, not a hardware fault.
2 product recalls may apply
Brand-level matches — verify your model.
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2 product recalls may apply
Brand-level matches — verify your model.
Likely causes
Residue on the sensor bars below the lint filter fools the dryer into a long cycle.
Check: Wipe the two metal sensor bars inside the drum with a damp cloth, let them dry, then retry.
Est. cost: $0–$0
If cleaning the bars does not help, the sensor harness or bars may have failed.
Check: After wiping the bars, run a timed dry cycle. If HS returns immediately, schedule service.
Est. cost: $0–$120
What it means
Humidity sensor error — the dryer may run a very long cycle until the sensors are cleaned.
How to fix it
- Unplug the dryer or turn off power at the breaker before inspecting any components.
- Reset LG HS: leave power off for 5 minutes, restore power, then restart. Confirm whether HS returns.
- Check the most common cause for HS: Humidity sensor error — the dryer may run a very long cycle until the sensors are cleaned.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings.
- If a reset and basic checks don't clear the code, use our lookup tool for AI-powered diagnosis or contact a qualified technician.
- Reassemble, restore power, and run a test cycle. If HS returns, the faulty component likely needs replacement.
Call a pro when: Call a technician if you smell burning, see sparking, hear grinding from the motor, or the code returns after replacing the suspected part.
FAQ
What does HS error code mean on a LG dryer?
Humidity sensor error — the dryer may run a very long cycle until the sensors are cleaned.
How do I reset LG dryer HS?
Unplug the dryer or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored HS after a glitch, but the code will return if the underlying fault is still present.
What part do I need for LG HS?
Not always — some HS errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
Can I fix LG error HS myself?
Many HS errors can be fixed DIY if you're comfortable with basic tools. Start with the reset and steps above. If the issue involves electrical components or the code returns after replacing parts, call a professional.
Other LG Dryer codes
Prevent this problem next time
- Wipe the moisture sensors monthly
- Avoid fabric-softener buildup on the bars
Sources
Manufacturer meaning
Humidity sensor error — the dryer may run far longer than a normal cycle.
FixApplianceCode guidance
Clean the moisture sensors inside the drum. No replacement part is needed first.
Source type: Manufacturer
Source: LG dryer humidity-sensor documentation
Last reviewed: 2026-08-24
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