technical question

[Lpgeneralservice]

Manufacturer: samsung

Type of Appliance: wall oven

Model Number: NV51K7770SS

Have you validated the model number at an online parts site like Repair Clinic? (yes or no): yes

Have you watched the video on how to search for manuals and have you searched the Downloads section prior to posting this request? (yes or no): yes

samsung electric wall oven model # NV51K7770SS
cx said only when she select convention bake ( she uses it all the time) oven goes to off with it self after 15 or 20 minutes. ( no errors)
when i tried it it worked fine for 45 minutes.
any one saw this before ? 
i am thinking bad selector board

Edited September 15, 2023 by Lpgeneralservice

[Samurai Appliance Repair Man]

This is the service manual request forum-- a single-purpose forum for requesting and supplying technical literature not already in the pot luck supper library. For technical assistance and collaboration, start a topic in the Appliance Tech Repair Forum. 

Best thing to do to get oriented at Appliantology is go to the home page of the site (click the logo at the top of the page), grab a cup of coffee and pause to READ everything on the homepage-- the menu options, sidebars, forum names and their descriptions. The layout of the homepage never changes so you only need to do this once. 

Also some helpful site orientation info here: https://appliantology.org/topic/51337-getting-started-at-appliantology/?do=getNewComment

We have several files pertaining to this model number. When you search the Files section of the site using a truncated model number and the wild card (*), you get this list of results: https://appliantology.org/search/?q=NV51K7770S*&quick=1&type=downloads_file