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Kenmore Oven Not Heating: Frigidaire-Made vs Whirlpool-Made Diagnosis

Quick Answer

Kenmore ovens are made by Frigidaire (790 prefix) or Whirlpool (665 prefix). 790-prefix: Frigidaire F10 runaway or element failure. Check bake element for visible breaks.

Kenmore ovens are made by Frigidaire (790 prefix) or Whirlpool (665 prefix). 790-prefix: Frigidaire F10 runaway or element failure. Check bake element for visible breaks. 665-prefix: Whirlpool F2/F3 codes. Gas Kenmore ovens: igniter glow test - if glows >90 sec without gas lighting, igniter is weak ($30-60).

KenmoreOvenSeverity: mediumDifficulty: intermediate75% DIY Success
Time to Fix
15–90 min
Difficulty
intermediate
Parts Cost
—
Tools Needed
Multimeter, Screwdriver

What Does the NOT-HEATING Code Mean?

Kenmore oven not heating: check model prefix.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Kenmore bake element failed30%
Gas igniter weak20%
Sensor/thermostat fault15%
Board relay stuck15%
Thermal fuse blown10%
Convection element failed10%

Symptoms You May Notice

  • Kenmore oven not heating

Can you reset a Kenmore oven to clear the NOT-HEATING code?

Unplug 60 seconds.

Tools Required for Diagnosis

MultimeterScrewdriverFlashlight

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Follow brand-specific diagnosis in guide above.

Follow brand-specific diagnosis in guide above.

2

Check error codes.

3

Professional if needed.

Frequently Asked Questions

Repair cost?
$100-400 typical.
DIY?
Many fixes DIY. Gas/sealed need pros.
Worth it?
Under 13 years = usually yes.

Same Fix Works on These Brands

Kenmore shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Last verified for technical accuracy on March 15, 2026