L

L indicates intentional control lockout on the JES1288 selector-dial panel, not an electrical failure. Hold CLEAR/OFF for about three seconds to release it.

What it means

L indicates intentional control lockout on the JES1288 selector-dial panel, not an electrical failure. Hold CLEAR/OFF for about three seconds to release it.

This explanation is shared only by models whose manufacturer documents the same code, meaning, and guidance.

Manufacturer guidance

Look for the single letter L before attempting to turn the selector dial or start a mode.
Hold CLEAR/OFF for approximately three seconds until L disappears.
Select MICRO, BROWN or GRILL only with the accessory arrangement specified for that mode.

Manufacturer source

Models documented with this signal

Select your exact model below to open its manufacturer source. Manual editions and model revisions can differ.

GE JES1288SHUSOfficial source · Source page: 20

If there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.