Bertazzoni Oven Error Code ER23: How to Fix It

Medium 30–60 minutes Medium Severity Verified June 2026
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Error Code
ER23
Brand
Bertazzoni
Product Type
oven
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30–60 minutes
Error code ER23 on your Bertazzoni oven indicates a keypad short circuit, meaning the control panel is detecting a stuck or faulty button. This often happens due to moisture, debris, or a damaged keypad membrane. Follow these steps to diagnose and fix the problem safely.
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Tools You'll Need

How to Fix Error Code ER23

  1. Power Down and Reset the Oven

    Ensure the oven is completely disconnected from power before touching any internal components.

  2. Inspect the Keypad for Visible Issues

    Do not use excessive moisture or abrasive cleaners, as they can damage the electronics.

  3. Check for Moisture Behind the Keypad

    Keep the hairdryer moving and avoid concentrating heat on one spot to prevent damage.

  4. Test the Keypad Membrane with a Multimeter

    Always disconnect power before opening the control panel. Capacitors can hold a charge; wait a few minutes after unplugging.

  5. Replace the Keypad Assembly

Parts You May Need

Keypad membrane assembly
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Keypad membrane assembly
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Keypad membrane assembly
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Keypad membrane assembly
Check Price on Amazon
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When to Call a Professional

If the error persists after replacing the keypad, the main control board may be faulty. A professional technician should diagnose and replace the board to avoid further damage.

Frequently Asked Questions

What causes Bertazzoni oven error ER23?
Error ER23 indicates a short circuit on the keypad, meaning a button is stuck or the membrane is damaged. This can be caused by moisture, debris, or physical wear.
Can I continue using the oven with error ER23?
It's not recommended. The oven may not function correctly, and you might not be able to set temperature or timer. Using it could lead to incorrect cooking or safety hazards.
How much does it cost to fix ER23?
DIY cost is around $20–$50 for a replacement keypad membrane. If a technician is needed, expect $150–$250 including labor and parts.
Is the keypad covered under warranty?
If your Bertazzoni oven is still under warranty (typically 1–2 years), the keypad replacement should be free. Contact Bertazzoni support.
Can a power surge cause error ER23?
Yes, a power surge can damage the control board or keypad electronics, leading to a short. Use a surge protector to prevent future issues.

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