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

  1. Stop any beeping by pressing the TIMERS or another key.
  2. Turn off the oven at the circuit breaker or unplug it (if accessible).
  3. Wait 1–2 minutes and restore power.
  4. Attempt to use the oven and see if the E312 code reappears.

Technician Only Diagnose and replace electronic control board

  1. Verify the model number and service manual for E312 documentation.
  2. Measure control board temperature sensor values and compare against spec.
  3. Inspect control module harnesses and connectors for loose or damaged wiring.
  4. If the control board or associated temperature sensor is confirmed faulty, replace the control board assembly with the correct OEM part.
  5. 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

🛑 When to Call a Pro:
  • 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

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: 2026-03-25

User Comments (0)

Share your experience or solution below.

Be the first to comment!