Error Detected May 1, 2026
Error Code

Bertazzoni Cooktop Error Code Er25

Error code Er25 indicates a temperature sensor malfunction or thermal protection activation on your Bertazzoni cooktop. This error prevents the cooktop from operating safely until the issue is resolved.

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Quick Diagnostics
Signs 7 identified
Possible Causes 9 listed
Safety Checks 11 steps
If unsure, stop using the appliance and contact a certified technician immediately.
What you notice

Signs

7
  • 01
    • Cooktop will not heat or ignite burners
  • 02
    • One or more burners are unresponsive to control inputs
  • 03
    • Display shows 'Er25' error code
  • 04
    • Cooktop shuts off unexpectedly during cooking
  • 05
    • Inconsistent heating or temperature regulation issues
  • 06
    • Control panel may be unresponsive or frozen
  • 07
    • Burners cycle on and off intermittently
Why it happens

Possible Causes

9
A
• Temperature sensor failure or malfunction in the cooktop control system
B
• Thermal overload protection activated due to excessive heat buildup
C
• Loose or damaged wiring connections between sensor and control board
D
• Cookware overheating or prolonged cooking at maximum heat settings
E
• Inadequate ventilation around the cooktop causing heat accumulation
F
• Moisture or residue buildup on temperature sensing elements
G
• Power supply fluctuation or voltage irregularities affecting 120V/240V circuits
H
• Faulty control module or circuit board component
I
• Blocked cooktop vents restricting proper heat dissipation
DIY — No disassembly

Safety Checks You Can Do

11
  1. 1
    • Turn off the cooktop immediately and allow it to cool completely for at least 30 minutes
  2. 2
    • Check that the cooktop is plugged in securely and verify the circuit breaker has not tripped (reset if necessary)
  3. 3
    • Inspect the cooktop surface for any spilled liquids, food debris, or moisture and clean thoroughly with a soft, dry cloth
  4. 4
    • Verify all cookware is removed from the cooktop and that the surface is completely clear
  5. 5
    • Ensure adequate ventilation around and above the cooktop with no obstructions blocking air vents
  6. 6
    • Confirm cooktop controls are set to the OFF position before attempting to restart
  7. 7
    • Perform a full system reset: Turn off the dedicated circuit breaker for the cooktop for 60 seconds, then turn it back ON
  8. 8
    • Wait 5 minutes after reset and attempt to use a single burner at low heat setting
  9. 9
    • Check that you are using compatible cookware (for induction models, verify cookware is ferromagnetic)
  10. 10
    • Review the control panel display to see if error code clears after reset
  11. 11
    • If error persists, discontinue use and contact Bertazzoni customer service or an authorized USA service technician
Always unplug the appliance before performing any physical check. These are visual/external checks only.
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