Hi, Im sorry to hear that.
In this case considering the age of your oven you may opt for a replacement.
But this problem is likely just doe to a bad igniter.
This is something that by law needs to be serviced by a local technician or engineer.
It is worth the repair cost in this case so If you like the ovens, I would just have the igniter replaced;-)
In any case, I will stick with you until this is complete.
Please rate my service kindly.
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Thank you and have a great day!