Induction cooktop shows F17 when a zone is set to high power and then shuts down that zone.

Safety first: Disconnect power before opening any covers. Do not exceed the electrical rating of the circuit.

• Try different cookware: Use a flat, heavy-bottomed induction pan of the correct size. Avoid warped or thin pans that can cause unstable current draw.
• Reduce power setting: Operate the affected zone at a slightly lower power level to see if it runs without error. This can indicate marginal overcurrent protection triggering.
• Check electrical supply: Confirm that the cooktop is wired to a circuit with the correct amperage and cable size as specified by DeLonghi. Undersized wiring can cause voltage drop and abnormal current readings.
• Inspect internal connections: With power off, remove the bottom cover and check all high-current connections from the terminal block to the power module and coils for tightness and signs of overheating.
• Professional diagnosis: If F17 persists on a specific zone with proper cookware and wiring, the current sensing or power electronics on the module may be faulty and require replacement by a technician.