Igor N Port St Lucie , FL April 12, 2015 Appliance: Samsung Range NE595R1ABSR/AA-0001 Samsung Range Ne595r1absr/Aa-0001 / : Cook top light was on when all nubs off. How to replace Range Dual Energy Regulator Switch. Replaced the Regulator Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes