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Before Calling for Service

Before calling for service, review this list. It may save you time and expense. This list includes common occurrences that are not the result of a defect in workmanship or materials.

For detailed information or videos, visit www.lg.com for the troubleshooting page.

Contains Topics

Parts and Features

Cooktop does not workCooktop controls are locked.See Using Child Lock to turn off the Child Lock feature.Circuit breaker has tripped or fuse is blown.Reset the circuit breaker.Power outage.Check house lights to confirm power outage.Installation wiring not complete.Contact the installer or dealer.Cooktop does not heatIncorrect element selected.Make sure the correct control is ON for the element being used.No power to cooktop.See “Cooktop does not work” above.Elements turn off while cooking.Cooktop inner temperature is too high.Check that cooktop has been installed according to the installation instructions.Elements do not get hot enough.Control panel may not be set properly.Check the power level.Cookware may not be the correct size or may have a flat bottom.Use the recommended cookware. See Cookware section.A fan sound can be heard.Cooktop inner temperature is high.This is normal.The cooling fan will run when any element is turned on. With heavy use the fan may continue to run after the controls are turned off until the cooktop has cooled.

Control Panel

ProblemPossible Cause & SolutionFlashing aFlashing a, bFlashing a, b, cThere is a fault with the thermistor or micom.Turn the cooktop off using the POWER ON/OFF. Turn cooktop back on using the POWER ON/OFF.Flashing a, b, c, dFood spill/soil on the control panelClean the surface.Object placed on the control panelRemove object from the control panel. Controls pressed for too long.If any one of the controls is pressed for more than 10 seconds continuously, this error is displayed.If water or a metal object is placed on the control panel, this error is displayed.Turn the cooktop off using the POWER ON/OFF. Turn cooktop back on using the POWER ON/OFF.Flashing a, b, c, d, eThere is a fault with the display.Turn the cooktop off using the POWER ON/OFF. Turn cooktop back on using the POWER ON/OFF.Flashing a, b, c, d, e, fLow voltage detectionThis indicates low voltage to the cooktop. Call a licensed electrician.