LG Dishwasher HE error code
Dishwasher
LG dishwasher error code HE means: Heater error — the dishwasher cannot heat wash water. This guide covers how to reset the code, the most common causes, step-by-step troubleshooting, and replacement parts that typically resolve HE.
Safe to keep using?
Stop using
No immediate safety hazard detected, but monitor during use.
- • Unplug the appliance before inspection.
- • Do not continue using the appliance until the cause is identified.
Likely causes
Many codes resolve with cleaning, resetting, or reconnecting.
Check: Power-cycle the appliance and check for obvious blockages or loose connections.
Est. cost: $0–$0
Wear or electrical failure of an internal part.
Check: If basic checks fail, the faulty component likely needs replacement.
Est. cost: $0–$75
What it means
Heater error — the dishwasher cannot heat wash water.
How to fix it
- Unplug the dishwasher or turn off power at the breaker before inspecting any components.
- Reset LG HE: leave power off for 5 minutes, restore power, then restart. Confirm whether HE returns.
- Check the most common cause for HE: Heater error — the dishwasher cannot heat wash water.
- 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 HE 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 HE error code mean on a LG dishwasher?
Heater error — the dishwasher cannot heat wash water.
What does LG HE mean?
Heater error — the dishwasher cannot heat wash water.
How do I reset LG dishwasher HE?
Unplug the dishwasher or switch it off at the breaker for 5 minutes, then restore power and restart. A reset clears a stored HE after a glitch, but the code will return if the underlying fault is still present.
What part do I need for LG HE?
Not always — some HE errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
Can I fix LG error HE myself?
Many HE 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.
Do I need a replacement part for HE?
Not always — some HE errors are caused by user-fixable issues like clogs or unbalanced loads. Try the troubleshooting steps first.
LG HE on specific models
Other LG Dishwasher codes
Prevent this problem next time
- Follow manufacturer maintenance schedule
- Address small issues before they worsen
Sources
Manufacturer meaning
Heater error — the dishwasher cannot heat wash water.
FixApplianceCode guidance
Start with basic checks for LG HE before ordering parts.
Source type: Part database
Source: ModelPartFinder + FixApplianceCode editorial
Last reviewed: 2026-08-24
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