Error code reference

LG Dishwasher Error Code tE

Thermal error: Thermistor resistance not outputting normally, possibly due to excessively high inlet water temperature (over 194°F).

SourceLG Dishwasher - Full Service Manual: LDS4821 Seriesp. 22

LG codes LG dishwasher codes

Diagnostic procedure

The full tE procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check the temperature using Test Mode; if temperature is displayed, adjust inlet water temperature to 120°F; if not displayed, check wiring connection and electric resistance of thermistor (11-14k ohms at 77°F).

SourceLG Dishwasher - Full Service Manual: LDS4821 Seriesp. 22

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

82 manuals in the MyPros+ library document this code for LG dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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The full tE procedure

Where this code is documented

Models covered by the manuals that document this code

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