Thermador Oven F2 Error Code: Causes and Fixes

Editorially reviewedUpdated 2026-02-20

Quick answer: Over-temperature detected

What you’ll notice

Oven shuts off and sounds an alarm; temperature in the cavity has exceeded the safe limit.

Thermador Oven Code F2 medium severity
Thermador models: Thermador professional ranges use Star Burners on gas models and an ExtraLow simmer feature. The oven temperature probe is at the rear cavity wall. Thermador wall ovens have a Soft Close door mechanism; if the oven door does not latch cleanly for self-clean, check whether the closer mechanism has disengaged.

Common causes

  • Temperature sensor (RTD probe) reading incorrectly high
  • Oven runaway — control board stuck a relay in the on position
  • Self-clean cycle left unmonitored at an extreme setting

Step-by-step fix

  1. Allow the oven to cool completely.
  2. Power cycle.
  3. Test the temperature sensor resistance — typically 1080–1100 Ω at room temperature for most residential probes.
  4. If the sensor reads correctly, the control board may have a stuck relay.

Tools you may need

Multimeter

Prevention

  • Never leave a self-clean cycle unmonitored.
  • Test the temperature sensor annually if the oven reads hot.

When to stop DIY

Do not use the oven again until the cause is identified — a true F2 (uncontrolled heating) is a fire risk. Call a technician if the control board is suspected.

FAQ

What does F2 mean on Thermador oven?

F2 usually indicates: Over-temperature detected.

Can I keep using the appliance with F2?

Use caution. Severity is medium. Do not use the oven again until the cause is identified — a true F2 (uncontrolled heating) is a fire risk. Call a technician if the control board is suspected.

How long does this fix usually take?

Typical first-pass troubleshooting takes 30–45 minutes.