Bertazzoni Oven Error Code ER15: How to Fix It
Medium 30-60 minutes High Severity
Verified June 2026
- Error Code
- ER15
- Brand
- Bertazzoni
- Product Type
- oven
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 30-60 minutes
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Tools You'll Need
- Multimeter
- Screwdriver (Phillips/flathead)
- Owner's manual (for reset procedure)
How to Fix Error Code ER15
-
Safety First: Unplug or Turn Off Power
Always disconnect power before servicing the oven. -
Allow the Oven to Cool
-
Inspect the Temperature Sensor (Thermistor)
Ensure the oven is unplugged before touching any internal components. -
Test the Heating Element(s) and Relay
Do not touch any electrical components without disconnecting power. -
Check for Airflow Obstruction
-
Perform a Hard Reset
Parts You May Need
Oven temperature sensor (thermistor)
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Main control board (relay board)
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Oven temperature sensor (thermistor)
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Main control board (relay board)
Check Price on Amazon
Oven temperature sensor (thermistor)
Check Price on Amazon
Main control board (relay board)
Check Price on Amazon
Oven temperature sensor (thermistor)
Check Price on Amazon
Main control board (relay board)
Check Price on Amazon
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When to Call a Professional
If the error code reappears after performing the hard reset and cooling, or if you are uncomfortable testing electrical components with a multimeter, contact a qualified appliance technician. Professional help is also recommended if you need to replace the control board or if the heating elements are damaged.Frequently Asked Questions
What does error ER15 mean on a Bertazzoni oven?
ER15 indicates that the oven cavity temperature has exceeded safe limits, triggering a safety shutdown to prevent damage or fire. It is an over-temp condition.
How do I reset my Bertazzoni oven after error ER15?
Unplug the oven or turn off its circuit breaker for 5 minutes, then restore power. This hard reset clears temporary errors. Also ensure the oven has cooled completely before restarting.
Can a faulty temperature sensor cause error ER15?
Yes, a defective temperature sensor (thermistor) can send incorrect high-temperature readings to the control board, triggering the error. Testing the sensor's resistance with a multimeter can confirm if it needs replacement.
Is it safe to use my Bertazzoni oven with error ER15?
No, do not use the oven until the error is resolved. The over-temp shutdown is a safety feature. Attempting to bypass it could cause a fire or further damage.
Why does my Bertazzoni oven keep showing ER15?
Recurring ER15 usually points to a failing temperature sensor, a stuck relay on the control board, or obstructed ventilation. A technician should diagnose the root cause if the error persists.