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Error Code

Thermador Range E39 Error Code

E39 on a Thermador 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 Marcus Cole · Last reviewed August 1, 2026

Error guide

Code overview

Marcus Cole Written by Marcus Cole Appliance Repair Content Specialist Published August 1, 2026 Updated August 12, 2026 Technically reviewed August 1, 2026

Content status: Verified

Error code E39
Appliance Range
Range service reference
Quick answer

E39 — commonly associated with a temperature-sensor issue on a Thermador range. Meaning can vary by model; verify before relying on it.

Model compatibility: Thermador reuses codes across series and model years, so E39 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 Thermador range models, the E39 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 E39 and temperatures seem off

E39 appears intermittently during operation

The range behaves inconsistently with E39 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

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 E39 persists after the safe checks above, or you are unsure at any point, book a diagnosis. A technician can confirm what E39 means on your specific model and resolve the underlying cause safely.

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

FAQ

Frequently asked questions

References

Sources & references

  • Thermador appliance user manual — error/display messages section
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