Thermador Oven Error E122

⚡ Quick Answer: The Thermador oven error E122 indicates a malfunction in the meat probe circuit, often resulting in the oven displaying an error when the probe is acc... ✅ DIY Fixable

What Does Error E122 Mean?

The Thermador oven error E122 indicates a malfunction in the meat probe circuit, often resulting in the oven displaying an error when the probe is accessed or connected. This can lead to erratic temperature readings and the oven may beep or halt cooking functions that rely on the probe. Common causes include a faulty or disconnected meat probe, damaged wiring, or issues with the electronic oven control board.

Common Symptoms:

  • Error E122 appears on the oven display when the meat probe functionality is accessed or connected
  • Oven might beep or refuse to proceed with cooking functions requiring the probe

Possible Causes

  • Faulty or disconnected meat probe (medium)
  • Damaged or poorly connected meat probe receptacle/wiring harness (medium)
  • Electronic oven control board fault affecting probe circuit (low)

How to Fix Error E122

DIY Fix Basic check of meat probe and connection

  1. Ensure oven is turned off and cool.
  2. Unplug or disconnect the oven from power at the circuit breaker.
  3. Locate the meat probe and inspect it for visible damage.
  4. Re-seat the meat probe fully into its receptacle.
  5. Restore power and check if the error clears.

Technician Only Inspect and replace meat probe components or wiring

  1. Disconnect power and remove the oven’s access panel to reach the meat probe receptacle wiring harness.
  2. Check wiring harness continuity and inspect for wear or breaks.
  3. Replace the meat probe if faulty, based on continuity testing and comparison to specifications.
  4. Replace the meat probe receptacle if wiring to it is faulty.
  5. If error persists after these replacements, test the oven’s electronic control board for proper output to the probe circuit.

Parts needed: Meat probe, Meat probe receptacle, Wiring harness, Electronic oven control board (if needed)

🛑 When to Call a Pro:
  • If after checking and reseating the probe the error persists
  • If wiring harness shows signs of internal damage or previously unknown faults
  • If error continues after replacing the probe and receptacle, indicating possible control board involvement

Technical Specifications

wattage
component Temperature Sensor
resistance 1000-1200 ohms
part_number Thermador 00418862
voltage_rating 120V AC

Common Questions

What does E122 error mean on Thermador oven?

E122 indicates a malfunction in the meat probe circuit, affecting temperature readings and cooking functions.

Can I fix Thermador oven E122 error myself?

Yes, you can check the meat probe and connections for visible damage and reseat them.

How much does it cost to fix E122 error?

Repair costs range from $20–$600+, depending on whether you need to replace the probe, receptacle, or control board.

When should I call a technician for E122?

Call a technician if the error persists after checking the probe or if there's damage to the wiring harness.

Data last verified: 2026-03-25

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