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
- Ensure the oven is turned off and cool.
- Remove the meat probe and inspect it for visible damage.
- Reconnect the meat probe firmly into its receptacle.
- Restart the oven and see if the error clears.
Technician Only Inspect and repair probe wiring and receptacle
- Disconnect power to the oven at the breaker.
- Access the meat probe receptacle and wiring harness behind the control panel or junction box.
- Check for frayed wires, loose connections, or corrosion.
- Repair or replace damaged wiring and ensure secure connector seating.
- Test the oven with the probe to confirm resolution.
Parts needed: Meat probe receptacle, Probe wiring harness, Replacement probe (if needed)
- 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).
Next step
Choose the next step for E123
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
- Typical part-only price
- $20 - $120
- DIY difficulty
- Medium
- Estimated time
- 30-90 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
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: 2026-07-25
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