HE
What code HE means on a LG dishwashers, what causes it, and which part to check first.
● SEVERITY: MEDIUM
LG HE means: Heater failure. The documented cause is: This code appears when water isn't heating or when the thermistor (temperature sensor) detects that water temperature is higher than 194 degrees - see notes below 7*
What HE means
Heater failure
The display shows HE and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| This code appears when water isn't heating or when the thermistor (temperature sensor) detects that water temperature is higher than 194 degrees - see notes below 7* |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.
Find a specialist
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Frequently asked questions
What does HE mean on a LG?
Heater failure The documented cause is: This code appears when water isn't heating or when the thermistor (temperature sensor) detects that water temperature is higher than 194 degrees - see notes below 7*
Can I fix HE myself?
It depends on the part involved: This code appears when water isn't heating or when the thermistor (temperature sensor) detects that water temperature is higher than 194 degrees - see notes below 7* Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does LG use other codes on this appliance?
Yes: we document 7 other codes for LG on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.