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Error Code

Thermador Range E01

E01 on a Thermador range typically points to an oven sensor or control communication fault.

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Reviewed by Marcus Cole · Last reviewed August 7, 2026

Error guide

Code overview

Marcus Cole Written by Marcus Cole Appliance Repair Content Specialist Published August 7, 2026 Updated August 12, 2026 Technically reviewed August 7, 2026
Error code E01
Appliance Range
Range service reference
Quick answer

E01 on a Thermador range typically points to an oven sensor or control communication fault.

Model compatibility: Thermador reuses codes across series and model years, so E01 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

The E01 code generally indicates the range control detected a temperature-sensor or communication problem that can affect oven heat accuracy on Pro Grand® and Pro Harmony® models.

Signs

Symptoms you may notice

E01 shown on the display

Oven temperature may drift

Controls may limit cooking modes

Why it happens

Possible causes

A temperature sensor fault

A control-board communication issue

A wiring or connection problem

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 the range has stable power

Note whether burners still ignite normally

Allow the oven to cool fully before checking the door area

Important safety warning. Ranges combine gas and high voltage. Internal diagnostics must be handled by a qualified technician.

Please avoid

What not to attempt

  • Do not open sealed gas components
  • Do not access internal high-voltage wiring
  • Do not bypass safety interlocks
Get help

When to call a technician

If E01 persists and oven heat is unreliable, book a diagnosis so the sensor and control can be evaluated safely.

FAQ

Frequently asked questions

References

Sources & references

  • Appliance user manual — display messages section
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