Samsung Propane/Gas Range -- Needs Repair (SHOW LOW)

2019 white free-standing five-burner gas range, adjusted for propane.
Stovetop works well, but oven heats very slowly and broiler sometimes doesn't light.
Hopefully, someone can repair the oven or at least get some use out of the stovetop.
A custom griddle is included for the center oval burner.
Also included are the original installation and user manuals.
The inside of the oven needs cleaning because the self-cleaning feature wasn't working well.
This oven had lots of good features, including convection cooking.
The original sale price was $584.
10.
It's now shown on Samsung's website for $1049.
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