Thermador Cooktop Error Code E2132

Error code E2132 on a Thermador cooktop indicates a fault in the inductor temperature sensor, specifically the NTC (Negative Temperature Coefficient) thermistor, on the left ADB (Analog Driver Board) zone. The NTC thermistor is a resistance-based temperature sensing component whose resistance decreases predictably as temperature increases. The induction control system uses this sensor to monitor the glass and coil temperature in real time, preventing overheating conditions and enabling precise power regulation. When the control board cannot read a valid resistance signal from the NTC, it triggers E2132 to protect the unit from operating without temperature feedback.

The most frequent cause of this fault is improper physical positioning of the NTC sensor against the ceramic glass surface. The sensor must maintain full, flush contact with the underside of the glass to produce accurate readings. If it has shifted, become dislodged, or is held away from the glass by debris or a mounting clip failure, the circuit reads an open or out-of-range resistance value, which the board interprets as a disconnection. A completely disconnected sensor wire harness will produce the same fault condition.

Diagnosing E2132 begins with a physical inspection of the NTC sensor location beneath the left burner zone. The sensor should be seated firmly in its bracket and pressing against the glass. Technicians should also check the wiring harness for continuity and inspect the connector at the ADB for corrosion or loose pins. If the sensor is correctly positioned and wiring is intact but the fault persists, the NTC thermistor itself may have failed and requires resistance testing to confirm.