e8401
Moderate
Bosch · Ovens & Ranges
Temperature sensor error
Quick Answer
Error code E8401 on your Bosch Ovens & Ranges means: Temperature sensor error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn the oven off and wait approximately 20 minutes for the sensor to reset.
2
Restart the oven and check if the error clears.
3
If the error returns, test the temperature sensor with a multimeter for proper resistance.
4
Replace the temperature sensor if readings are out of specification.
5
Check wiring between the sensor and control board for damage.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Temperature sensor
Multimeter
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