Code E3 indicates a cooktop power or control irregularity. Verify stable electrical supply and restart once. Persistent E3 requires technician inspection.
Code E5 indicates an operating fault affecting normal cooktop performance. Confirm compatible cookware where applicable and retry. Repeated E5 needs professional diagnostics.
Code E7 indicates the cooktop detected an internal feedback fault during operation. Reset once and monitor burner behavior. Continued E7 should be inspected by a technician.
Code E8 means the cooktop reported an electronics or sensor anomaly. Confirm the surface is clean and dry, then restart. If E8 reappears, service is recommended.
Code E9 indicates a general cooktop fault condition stored by diagnostics. Perform one power reset and test normal cooking. Persistent E9 needs professional repair.