The short answer
Read E22 as a statement about a circuit rather than about heat. The control converts a resistance into a temperature, so the thermal sensor, the appliance control board, or the wiring between them failing anywhere along its length produces the same display. One power-cycle is worth doing, but a code that returns on the next cycle is a wiring or sensor replacement rather than a glitch.
This code and its neighbours on this appliance
Reference| Code | Meaning |
|---|---|
| E22 | The Thermal Sensor circuit reported a short to the control board. There may a problem with the Thermal Sensor, the Appliance Control Board, or the associated wiring. |
| E21 | The Thermal Sensor circuit reported open to the control board. There may a problem with the Thermal Sensor, the Appliance Control Board, or the associated wiring. |
| E23 | The oven did not reach Pre-Heat Temperature within 30 (thirty) minutes. There may a problem with the Heater, the Appliance Control Board, or the associated wiring. |
What you see alongside the code
- The display shows the code with no cycle running — Some controls poll the circuit continuously, so the fault is reported at idle.
- A burning smell alongside the code — That is not this fault on its own. Stop, cut power at the breaker and treat it as a wiring problem.
- NEAR MISS - the oven heats correctly and the code never returns — A single appearance after a power interruption is often just that.
What triggers it, most likely first
- A failed or drifted sensor element — The sensor is a resistance element, and when it drifts the control sees a value it will not accept.
- A loose or corroded connector at the sensor tail — The connector sits in the hottest, most thermally cycled part of the cabinet.
- A chafed or pinched harness between the sensor and the board — The run passes behind the rear panel where a replaced part can trap it.
Check in this order, and why
- Reset and immediately call for heat — How fast the code returns tells you how hard the fault is, and that steers everything after it.
- Rule out a recent repair or a recent deep clean — Both are common precursors, and both point at a trapped harness or a wet connector rather than a failed element.
- Open the rear panel and check the sensor terminals — Cheap to check, and it is where this fault most often lives.
The owner-safe procedure
- Record exactly when the code appears — At idle, at preheat, or partway through a bake.
About 10 min
- Cut power at the breaker for several minutes — A clean reset is the only owner action that clears a transient read error.
About 6 min
- Check the cavity light and fan still work after the reset — It confirms the board is alive and narrows the fault to the sensor path.
About 3 min
Before you open anything
Safety
Switch the breaker off before any panel comes off - a capacitor can hold a charge after the power is off. On a built-in oven the supply is often behind the unit rather than on a plug, so confirm the circuit is dead at the terminal block and not just at a switch. Do not defeat the door interlock to reach the sensor boss from inside the cavity.
When this is a service call
This becomes a service call the moment the check needs a meter. A sensor that measures correctly while the code stands moves the fault to the board input, and that is a diagnosis rather than a guess - replacing the sensor on spec is the most common wasted part on this fault. Call straight away if the oven has tripped its breaker.
Neighbouring codes on this appliance
What this page does not cover
This page is generalized information about the code rather than about one appliance. It is written for E22 as the KitchenAid oven code list documents it across the brand rather than for one family or model line. Where a family- or model-specific page exists for your unit it is the more specific answer and is linked from the code index for this appliance. Some of the codes listed beside it in the table above carry the same documented meaning on this platform and some are documented differently, so check the characters on your display carefully before acting on this page.
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