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Error Code

Kenmore Range E21 Error Code

E21 on a Miele range is generally linked to a possible temperature-sensing problem. This guide gives a plain-language overview, the symptoms you might notice, safe checks you can perform, and when it is best to call a technician — with a reminder that exact behavior varies by model.

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Reviewed by Daniel Reeves · Last reviewed August 11, 2026

At a glance

Error code overview

A plain-language snapshot of E21 for Kenmore Range — confirm the model series before you act.

Daniel Reeves Written by Daniel Reeves Appliance Repair Content Specialist Published August 11, 2026 Technically reviewed August 11, 2026

Content status Verified

Error code E21
Appliance Range
Quick answer

E21 — commonly associated with a temperature-sensor issue on a Miele range. Meaning can vary by model; verify before relying on it.

Model compatibility

Kenmore reuses codes across series and model years, so E21 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

On many Miele range models, the E21 code is commonly associated with a possible temperature-sensing problem. The exact meaning can differ between appliance series and model years, so treat this as general guidance and confirm it against your specific model’s documentation before acting.

Signs

Symptoms you may notice

The range displays E21 and temperatures seem off

E21 appears intermittently during operation

The range behaves inconsistently with E21 shown

Why it happens

Possible causes

A temperature sensor reading out of range

A wiring or connection issue to the sensor

A control interpreting the reading as a fault

Before you call

Safe checks you can make

These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.

Confirm nothing is blocking internal vents or airflow

Note the actual behavior or temperatures if measurable

Perform a manufacturer-approved restart

Record the full model number before contacting a technician

Caution

Safety warning

Important safety warning

Do not open internal panels, access high-voltage wiring, or bypass any safety device. If you ever smell gas, stop immediately, do not operate any switches, leave the area and contact your gas provider and a qualified technician. If you see smoke, sparks, a burning smell, or water near electrical parts, switch the appliance off at the outlet if it is safe to do so and call a professional.

Please avoid

What not to attempt

Do not open internal panels or access high-voltage components

Do not adjust, disconnect or repair any gas connection or valve

Do not bypass door locks, safety switches or interlocks

Do not keep running the appliance if there is water near electrical parts, a burning smell or sparks

Get help

When to call a technician

If E21 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what E21 means on your specific model and resolve the underlying cause safely.

Get started

Seeing this code on your Kenmore appliance?

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Where it points

Likely related component

Often related to the temperature sensor (NTC) (varies by model).

Fix it right

Recommended repair service

Range Repair

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E01 E20 E22 E23 E24 E25
FAQ

Frequently asked questions

References

Sources & references

Supporting manuals and references used for this error-code guide.

Miele appliance user manual — error/display messages section

Reference note

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