Thermador Oven Error E312
⚡ Quick Answer: The Thermador oven error E312 indicates a malfunction in the electronic oven control board, often due to an over-temperature condition or a defective ... ✅ DIY Fixable
What Does Error E312 Mean?
The Thermador oven error E312 indicates a malfunction in the electronic oven control board, often due to an over-temperature condition or a defective control module. This error may cause erratic temperature readings, inconsistent cooking results, and may lead the oven to shut down or fail to operate normally. If the E312 code appears, it is essential to address the underlying issue to restore proper oven functionality.
Common Symptoms:
- Oven display shows E312 and beeps
- Oven fails to operate normally or shuts down
- Error may appear without usual cooking functions starting
Possible Causes
- Electronic oven control board malfunction or over‑temperature fault (medium)
How to Fix Error E312
DIY Fix Reset power and check for recurring code
- Stop any beeping by pressing the TIMERS or another key.
- Turn off the oven at the circuit breaker or unplug it (if accessible).
- Wait 1–2 minutes and restore power.
- Attempt to use the oven and see if the E312 code reappears.
Technician Only Diagnose and replace electronic control board
- Verify the model number and service manual for E312 documentation.
- Measure control board temperature sensor values and compare against spec.
- Inspect control module harnesses and connectors for loose or damaged wiring.
- If the control board or associated temperature sensor is confirmed faulty, replace the control board assembly with the correct OEM part.
- Retest the oven to confirm the error is resolved.
Parts needed: Electronic oven control board (PC control module), Control board temperature sensor (if separate), Wire harness/connectors
- If error E312 persists after power reset
- If you are not qualified to safely access electrical parts inside the oven
- If oven exhibits other signs of electrical malfunction
Next step
Choose the next step for E312
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
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
- Typical part-only price
- $120 - $280
- DIY difficulty
- Medium
- Estimated time
- 20-40 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.
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
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 | N/A |
|---|---|
| component | Temperature Sensor |
| resistance | 1000-1100 ohms |
| part_number | Thermador 00406302 |
| voltage_rating | 120V AC |
Common Questions
What does E312 error mean on Thermador oven?
E312 indicates a malfunction in the electronic control board, affecting temperature readings and oven operation.
Can I fix Thermador oven E312 error myself?
Yes, you can try resetting the power by turning off the oven at the circuit breaker or unplugging it.
How much does it cost to fix E312 error?
Repair costs typically range from $300 to $850 for parts and service, depending on the model and labor rates.
When should I call a technician for E312?
Call a technician if the E312 error persists after a power reset or if you are not qualified to access electrical components.
Sources & References
Data last verified: 2026-07-25
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