What F3/E0 / F3/E1 (665-prefix) Means
On a 665-prefix Kenmore range, F3/E0 reports the oven temperature sensor circuit as open and F3/E1 reports it as shorted. Same sensor, opposite electrical failures, and in both cases the oven stops heating rather than guess at a temperature it cannot measure.
Common Causes of F3/E0 / F3/E1 (665-prefix)
- An oven temperature sensor probe failed open or shorted
- A damaged or unseated sensor harness behind the oven cavity
- An electronic oven control no longer reading the circuit
🔧 One Safe Check You Can Try
Switch the range off at the breaker for a few minutes and restore power; a code that returns on the next bake attempt confirms a genuine circuit fault rather than a one-off.
⚠ Why You Shouldn't Go Further Than That
- Let the cavity cool fully and cut power at the breaker before the rear panel is disturbed — the sensor sits inside a cavity that stays hot for hours.
- On a gas range, shut the gas off at the appliance valve before any panel is removed as well.
- A sensor fitted onto a damaged harness reproduces the same code immediately.
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.