Warning: Disconnect power before servicing.
ErrBase

Kenmore Oven Won't Turn On: Control Lock and Power Diagnosis

Quick Answer

Kenmore oven won't start: check Control Lock on display (hold lock button 3 sec). Electric: check BOTH 240V breaker poles. Gas: verify gas valve open.

Kenmore oven won't start: check Control Lock on display (hold lock button 3 sec). Electric: check BOTH 240V breaker poles. Gas: verify gas valve open. 790-prefix (Frigidaire-made): touchpad may have moisture damage. 665-prefix (Whirlpool-made): check for LOC icon.

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

What Does the WONT-START Code Mean?

Kenmore oven won't start: Control Lock first.

Most Likely Causes

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

Door lock or lid switch not confirming secure closure40%
Tripped circuit breaker or blown thermal fuse24%
Control board failure from power surge14%
Child lock mode enabled accidentally12%
Stuck start button or control panel fault10%

Symptoms You May Notice

  • Kenmore oven wont start

Can you reset a Kenmore oven to clear the WONT-START 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