LG induction cooktop displays E5 and may not power on fully.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Loose harness between user interface and power board, Faulty power module, Faulty user interface board, Power surge damage

Safety first: Turn off power at the breaker.

Access electronics: Remove the cooktop from the counter if necessary and remove the bottom cover.
Check harnesses: Inspect and reseat all connectors between the touch control board and the power module. Look for corrosion or bent pins.
Inspect boards: Look for burnt components or cracked solder joints on both boards.
Replace defective board: If no obvious wiring issue is found, replace the power module first. If E5 persists, replace the user interface/control board.

Professional Required 5/5

Induction Power Module or User Interface Board

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