Error Code
Bertazzoni Cooktop Error Code Er03
Er03 indicates a temperature sensor malfunction or thermal protection activation on your Bertazzoni cooktop. This error prevents the cooktop from operating normally to protect against overheating or electrical irregularities.
Quick Diagnostics
Signs
7 identified
Possible Causes
9 listed
Safety Checks
10 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• Error code Er03 displays on the digital control panel
-
04• Cooktop shuts off unexpectedly during cooking
-
05• Burners cycle on and off intermittently
-
06• Control panel lights may flicker or dim
-
07• All functions become unavailable until error is cleared
Why it happens
Possible Causes
9
A
• Faulty temperature sensor detecting false heat readings
B
• Thermal protection circuit triggered due to insufficient ventilation
C
• Loose or corroded electrical connections at 120V/240V supply terminals
D
• Damaged wiring between control module and heating elements
E
• Buildup of food debris or moisture on sensor contacts
F
• Control board malfunction or software glitch
G
• Incompatible cookware causing irregular heat distribution on induction models
H
• Inadequate grounding on 240V cooktop installations
I
• Power surge from utility line affecting sensor calibration
DIY — No disassembly
Safety Checks You Can Do
10
-
1• Turn off the circuit breaker supplying power to the cooktop for 60 seconds, then turn it back on to reset the system
-
2• Check your home's circuit breaker panel to ensure the breaker hasn't tripped; flip it back on if needed
-
3• Ensure the cooktop has adequate ventilation and is not blocked by cabinets, towels, or other items
-
4• Allow the cooktop to cool completely for at least 30 minutes before attempting to use it again
-
5• Inspect the cooktop surface for spilled food, grease, or moisture and clean thoroughly with a damp cloth
-
6• Verify that any cookware being used is compatible with your cooktop type (stainless steel or ferromagnetic for induction models)
-
7• Check that all control knobs and touch controls are functioning smoothly without sticking
-
8• Inspect the power cord and plug connections for visible damage, corrosion, or loose connections
-
9• Review your cooktop's user manual for any specific reset procedures for your model
-
10• If error persists after these steps, contact a certified Bertazzoni service technician or your authorized USA dealer for professional diagnosis
Always unplug the appliance before performing any physical check. These are visual/external checks only.
Still having trouble?
Our certified technicians diagnose and fix this error code permanently.