Rebuild controllers with brand new VFD displays are available on Ebay.  Follow this link for details https://www.ebay.com/itm/285061337520

It looks like models with this problem are from Electrolux, Frigidaire and Thermador ovens with the following model number:

RDDS30,RDDS30QW,RDDS30V,RDDS30VQB,RDDS30VRS,RDF30,RDF30QB, RDF30QW,RDF30RS,RDFS30,RDSS30,RED30V,RED30VQB,RED30VQRS, RED30VQW, REF30,REF30QB,REF30QW,REF30RS, RES30, RES30QB,RES30RS, RES30W, FEB386CEBA,FEB386CEBC, FEB386CEBG, FEB386CEBH,FEB386CESA, FEB386CESC, FEB386CESG, FEB386CESH, FEB386CETA, FEB386CETC, FEB386WECA, FEB386WECC, FEB386WECG, FEB386WECH, FEB386WESA, FEB386WES, FEB786CEBA, FEB786CEBC,FEB786CEBE, FEB786CEBF, FEB786CEBG, FEB786CEBH, FEB786CESA, FEB786CESC, FEB786CESE, FEB786CESF, FEB786CESG,FEB786CESH,FEB786CETA, FEB786CETC, FEB786CETE, FEB786CETF, FEB789CCBD, FEB789CCBE, FEB789CCBF, FEB789CCBG, FEB789CCSD, FEB789CCSE, FEB789CCSF, FEB789CCSG, FEB789CCTD, FEB789CCTE, FEB789CCTF, FEB789WCCC, FEB789WCCE, FEB789WCCF, FEB789WCCG, FEB789WCCH,FEB789WESB,GLEB27S7ABA, GLEB27S7ASA,GLEB27S7CBA,GLEB27S7CBB, GLEB27S7CBD, GLEB27S7CSA, GLEB27S7CSB, GLEB27S7CSD, GLEB30S8ABA, GLEB30S8AQA,GLEB30S8ASA, GLEB30S8ASB, GLEB30S8CBA, GLEB30S8CBB, GLEB30S8CQA, GLEB30S8CQB, GLEB30S8CSA, GLEB30S8CSB, PLEB27S8ACA,PLEB27S8ACB, PLEB27S8CCA, PLEB27S8CCB,PLEB27S8CCC, PLEB30S8ACA, PLEB30S8ACB, PLEB30S8CCA, PLEB30S8CCB, PLEB30S8CCC

Which have the following parts: 14-33-347, 486752, 1013779, 00487604, 487604, 35-00-571, 35-00-751, AP2836528, 318010700, 100-00755-00A, AP2127072, 499452, PS440925, EA440925, AH440925.

If this sounds famiiar, contact these guys to fix you up..