Thermador Cooktop Error Code E013C

Error code E013C on a Thermador induction cooktop indicates a fault detected within the left ADB (Automated Distribution Board), specifically in the NTC selection circuit of the induction module. The NTC (Negative Temperature Coefficient) selection circuit is responsible for reading thermistor inputs to monitor temperatures across the induction module components. When the ADB's internal logic detects that the NTC selection circuit is returning faulty or out-of-range signals, it triggers this error code to prevent potential overheating or unsafe operation of the left induction zone.

The ADB serves as the control and relay interface between the main control board and the induction coil assemblies. Within this board, the NTC selection circuit routes temperature sensor data from multiple points in the system. A failure in this circuit can stem from internal board-level component failure, corrupted signal pathways, or damaged traces on the ADB itself. Because the fault is flagged as a faulty ADB rather than a faulty external sensor, the diagnostic data points to the board's internal circuitry as the source of the error rather than an upstream wiring or sensor issue.

The primary and recommended first diagnostic step is replacement of the left relay board (ADB). This is consistent with the nature of the fault, which is identified as an internal board error rather than an external wiring or sensor fault. Technicians should confirm the correct ADB is sourced for the specific cooktop model before proceeding with replacement, as board configurations can vary across Thermador induction cooktop lineups.