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
- Ensure oven is turned off and cool.
- Unplug or disconnect the oven from power at the circuit breaker.
- Locate the meat probe and inspect it for visible damage.
- Re-seat the meat probe fully into its receptacle.
- Restore power and check if the error clears.
Technician Only Inspect and replace meat probe components or wiring
- Disconnect power and remove the oven’s access panel to reach the meat probe receptacle wiring harness.
- Check wiring harness continuity and inspect for wear or breaks.
- Replace the meat probe if faulty, based on continuity testing and comparison to specifications.
- Replace the meat probe receptacle if wiring to it is faulty.
- 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)
- 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
Next step
Choose the next step for E122
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.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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 | |
|---|---|
| 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: 2026-07-25
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!