Thermador Oven Error E101

⚡ Quick Answer: The Thermador oven error E101 indicates a malfunction in the upper oven temperature sensor, leading to erratic temperature readings and inconsistent c... ✅ DIY Fixable

What Does Error E101 Mean?

The Thermador oven error E101 indicates a malfunction in the upper oven temperature sensor, leading to erratic temperature readings and inconsistent cooking performance. This error generally occurs when the oven detects an out-of-range or missing signal from the temperature sensing circuit, resulting in heating failures or shutdowns during operation.

Common Symptoms:

  • Error code E101 displayed on oven control panel
  • Oven may fail to heat properly or may shut down
  • Error appears during temperature sensing or heating cycle

Possible Causes

  • Upper oven temperature sensor failure (medium)
  • Loose or damaged sensor wiring/harness (medium)
  • Electronic oven control board fault (secondary) (low)

How to Fix Error E101

DIY Fix Basic verification and power cycle

  1. Stop the oven heating and clear the display by pressing any key.
  2. Turn off power to the oven for at least 1–2 minutes to reset control electronics.
  3. Restore power and check if E101 reappears.

Technician Only Diagnose and replace upper oven temperature sensor

  1. Disconnect electrical power to the oven.
  2. Access the upper oven temperature sensor and wiring harness.
  3. Inspect and secure any loose wiring; test sensor resistance with a multimeter.
  4. Replace the temperature sensor if resistance is out of spec or if the sensor is damaged.
  5. Test oven operation to confirm resolution.

Parts needed: Upper oven temperature sensor (RTD/thermistor), Any necessary mounting hardware or connectors

Technician Only Control board evaluation

  1. If sensor and wiring checks pass, test control board inputs for proper sensor signal.
  2. Evaluate control board for faults or damage.
  3. Replace the electronic oven control board if confirmed defective.

Parts needed: Electronic oven control board

🛑 When to Call a Pro:
  • Error persists after sensor and wiring checks
  • Uncertain multimeter readings or inability to safely access internal components
  • Repeated occurrences after component replacement

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 1,000 ohms at room temperature
part_number 00420090
voltage_rating 120V AC

Common Questions

What does E101 error mean on Thermador oven?

E101 error indicates a malfunction in the upper oven temperature sensor, causing erratic temperatures.

Can I fix Thermador oven E101 error myself?

Yes, you can power cycle the oven and check the sensor and wiring.

How much does it cost to fix E101 error?

Repair costs range from $30 to $150 for sensor replacement and labor.

When should I call a technician for E101?

Call a technician if the error persists after checks or if you're unsure about the repairs.

Data last verified: 2026-03-25

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