Thermador Cooktop Error Code E2330

E2330 indicates a fault in the inductor temperature sensor, specifically the NTC thermistor, on the right ADB (Analog Driver Board). The NTC sensor monitors heat in the induction coil assembly, and this code appears when the control detects an abnormal or missing signal from that sensor. The affected cooking zone will be disabled until the fault is resolved.

The cooktop disables the affected right-side induction zone when E2330 is active, which is a built-in safety response to prevent uncontrolled heating. You should not attempt to bypass or ignore this fault. Other zones may continue to function, but the faulted zone should remain unused until the sensor issue is properly diagnosed and repaired.

Repair costs depend on the root cause. If the fix is simply reseating a loose NTC connector, a service call fee may be the primary cost, typically in the range of $80 to $150. Replacing a faulty NTC thermistor is generally inexpensive in parts, though labor adds to the total. If the right ADB itself needs replacement, parts and labor combined can range from $300 to $600 or more, depending on the specific model and local labor rates.

The first step, checking that the NTC connector is properly seated on the right ADB connector, is something a confident DIYer can attempt after safely disconnecting power to the cooktop. However, accessing the ADB and NTC sensor requires disassembling the cooktop, and further diagnosis involving resistance measurements or board replacement is best handled by a qualified appliance technician. Working around induction power boards carries significant electrical risk if power is not properly isolated.

A power reset by turning off the circuit breaker for 30 to 60 seconds may temporarily clear the error code, but it will return if the underlying sensor fault is still present. The NTC or its wiring must be inspected and repaired or replaced to permanently resolve the fault. Repeated resets without addressing the root cause do not fix the problem and may delay necessary repairs.