I have the same problem with my Samsung oven. Mine was purchased 2015. Oven will not heat past 180 even if on for 30 minutes. i bought all Samsung appliances for my kitchen. Apparently that was a big mistake. Repair man came and fixed the igniter and I still have the same problem. What a piece of junk. Do not buy Samsung oven. It will stop working even if you hardly use it.
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