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Error code reference
LG Air Conditioner Error Code E170
Error due to confused use of Fahrenheit and Celsius setting in indoor unit.
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Diagnostic procedure
The full E170 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
1
First diagnostic step
Re-enter option codes; occurs only in Celsius setting model when Fahrenheit options are input.
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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