Appliance Repair Questions? Ask a Technician for Answers ASAP
Do you have the make and model number please.
Its either on the paper work or manual for the hob or on a sticker on the underside.
But if not then can you post a picture of the hob please.
Ok do you see a picture of a key or pad lock on the controls?
As the L is usually down to the control lock being turned on.