What F20 (Kenmore electronic oven control) Means
F20 on this Kenmore control family reports a communication failure between the electronic oven control board and a second control it expects to talk to. On a range that second control runs the cooking surface; on a built-in double wall oven it is the control for the other cavity.
Common Causes of F20 (Kenmore electronic oven control)
- A harness between two control boards damaged or unseated
- A failed control board at either end of the link
- Connector corrosion after years of heat cycling
🔧 One Safe Check You Can Try
Note which cavity still responds and which does not; on a double wall oven that observation identifies the end of the link that has failed.
⚠ Why You Shouldn't Go Further Than That
- Both boards carry line voltage and sit behind a cavity that holds heat for hours.
- Because either end can be at fault, a guessed parts order is a coin toss at an uneven price.
- A double wall oven is heavy and built in, so drawing it out is a two-person job at minimum.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.