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
Error code ER15 on your Bertazzoni oven indicates that the oven cavity has exceeded its safe temperature limit, triggering an automatic safety shutdown. This typically happens due to a malfunctioning temperature sensor, a stuck relay, or prolonged use at very high temperatures. Follow these steps to diagnose and fix the issue.
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Tools You'll Need

How to Fix Error Code ER15

  1. Safety First: Unplug or Turn Off Power

    Always disconnect power before servicing the oven.
  2. Allow the Oven to Cool

  3. Inspect the Temperature Sensor (Thermistor)

    Ensure the oven is unplugged before touching any internal components.
  4. Test the Heating Element(s) and Relay

    Do not touch any electrical components without disconnecting power.
  5. Check for Airflow Obstruction

  6. 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)
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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
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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.