F20
Viking · VER5366BSS 36 in 6.0 cu ft Electric Range with True Convection and Touch Controls
The relay controlling power to the oven heating elements is stuck in the closed position, causing continuous heating or failure to turn off heating elements.
Error F20 on the Viking VER5366BSS 36 in 6.0 cu ft Electric Range with True Convection and Touch Controls means: Oven Heater Relay Stuck. The top-ranked community fix is “Replace Control Board Relay” (hard difficulty, ~90 min, DIY cost: $160-$210). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · oven
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many oven repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $350-$500.
The Viking VER5366BSS 36 in 6.0 cu ft Electric Range with True Convection and Touch Controls has 8 other known error codes:
Error code F20 also appears on 3 other Viking models:
Ad Space — banner
Replace ADSENSE_PUBLISHER_ID in AdUnit.tsx