Hi,Welcome to Just Answer, My name is XXXXX XXXXX forward to helping you today.
This model number is XXXXX can you see if you can get me the entire model number. Will start with a three digit prefix like 110. 106. 665. Or some other three digit combo, this will tell me the manufacturer of the oven, thanks, Bryan
looks like(NNN) NNN-NNNNor 91L?
Does is not do this when you use one oven at a time?