Thermador Oven Error E123

⚡ Quick Answer: The Thermador oven error E123 indicates a malfunction related to the meat probe, often due to a faulty or disconnected probe, or issues with the probe... ✅ DIY Fixable

What Does Error E123 Mean?

The Thermador oven error E123 indicates a malfunction related to the meat probe, often due to a faulty or disconnected probe, or issues with the probe's circuitry. This error commonly manifests when the oven is unable to detect the meat probe, leading to incorrect readings or the oven refusing to cook. If this error appears, it's essential to check the probe connection and inspect for any visible damage.

Common Symptoms:

  • Error appears on oven display when attempting to use probe or during cooking
  • Meat probe readings are incorrect or not detected
  • Oven may beep or refuse to continue cooking with probe inserted

Possible Causes

  • Faulty or disconnected meat probe (medium)
  • Damaged meat probe receptacle or wiring harness (medium)

How to Fix Error E123

DIY Fix Check the meat probe connection

  1. Ensure the oven is turned off and cool.
  2. Remove the meat probe and inspect it for visible damage.
  3. Reconnect the meat probe firmly into its receptacle.
  4. Restart the oven and see if the error clears.

Technician Only Inspect and repair probe wiring and receptacle

  1. Disconnect power to the oven at the breaker.
  2. Access the meat probe receptacle and wiring harness behind the control panel or junction box.
  3. Check for frayed wires, loose connections, or corrosion.
  4. Repair or replace damaged wiring and ensure secure connector seating.
  5. Test the oven with the probe to confirm resolution.

Parts needed: Meat probe receptacle, Probe wiring harness, Replacement probe (if needed)

🛑 When to Call a Pro:
  • If the error persists after reconnecting the probe and verifying wiring integrity.
  • If there are signs of electrical damage (burn marks, melted insulation, unusual odors).

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 1000-1100 ohms
part_number 00430000
voltage_rating 120V AC

Common Questions

What does E123 error mean on thermador oven?

Error E123 indicates a problem with the meat probe, causing incorrect readings or failure to cook.

Can I fix thermador oven E123 error myself?

Yes, check the meat probe connection and inspect it for damage. Reconnect if necessary.

How much does it cost to fix E123 error?

Estimated repair cost ranges from $50 to $200+, depending on parts and labor.

When should I call a technician for E123?

Call a technician if the error persists after checking connections or if you see signs of electrical damage.

Data last verified: 2026-03-25

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