i have Kenmore sub zero 550 refrigerator freezer stopped making ice. Help & suggestions please.

It seemed to get frosted inside - thought maybe since doors were left open. My hubby emptied the ice and it hasnt made any since. Weve defrosted it today - probably 1-2 weeks after initial condensation inside and it still doesnt seem to work. Theres no reset button I can see and I cant find an instruction manual online would appreciate any suggestions.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.