Where the Heat Goes Missing
An oven heats when the control calls for it, the heating device responds, and the temperature sensor confirms the cavity reached the setpoint. A failure anywhere in that chain shows up as no heat, slow heat, or the wrong temperature. On a gas oven, the bake igniter is the most common failure; as it weakens it draws less current, and the safety valve never opens, so you get a glow but no gas. On an electric oven, the bake or broil element burns out, often with a visible break or blister. A drifting temperature sensor makes the control shut heat off early, so the oven runs cold. Less often, a relay on the control board fails. We meter the circuit to find which one before quoting the repair.
Notes by Brand
Wolf: gas ovens use a glow-bar igniter and safety valve; a weak igniter is the classic no-heat cause, while dual-fuel and electric models point to the element or sensor. Some faults show as an E-code on the display.
Thermador and Bosch: often surface an oven fault as an F- or E-code; the underlying part is usually the igniter, element, sensor or a control relay.
Viking and Dacor: pro ovens diagnosed by testing the igniter draw or the element resistance directly; sensors and controls come next.
Miele and Gaggenau: electronic ovens that report faults on the control; we read the code and verify the heating circuit before replacing parts.
Monogram, Jenn-Air and KitchenAid: may display F-codes tied to the sensor or control; the fix is the failed heating component or board.
Symptom, Likely Cause, and Fix
| What You See | Likely Cause | Repair |
|---|---|---|
| Igniter glows, no gas heat | Weak bake igniter | Replace the oven igniter |
| Electric oven, no heat | Bake element burned out | Replace the bake element |
| Runs cold or wrong temp | Temperature sensor drifting | Replace the oven sensor |
| No heat, display fine, code shown | Control relay or board fault | Repair the control board |
Oven Cold When It Should Be Hot?
Book a diagnostic and we will find the failed part and get it baking on temperature. Diagnostic and travel fees, if applicable, are confirmed before the appointment and before repair approval.