Bosch Oven Error Code F145

F145 indicates that the sensor inputs on the slave microcontroller of the Power Board have been detected as shorted together. This is a hardware-level fault within the Power Board's control circuitry. The oven cannot function normally when this fault is active because the slave micro can no longer accurately process sensor signals. Replacing the Power Board is the prescribed repair for this error code.

You should not continue using the oven while F145 is active. A shorted sensor input on the slave microcontroller means the control board cannot reliably monitor oven conditions. This could lead to unpredictable behavior such as incorrect temperature regulation. Disconnect power to the oven until the Power Board has been inspected and replaced.

The cost to repair F145 typically includes the price of a replacement Power Board plus labor if a technician performs the work. Power Board parts for Bosch ovens generally range from $150 to $350 depending on the model, and professional labor costs can add $100 to $200 on top of that. A DIY repair can reduce total cost significantly if you are comfortable with the work.

Resolving F145 requires replacing the Power Board, which involves working with high-voltage components inside the oven. Technicians comfortable with appliance electronics can perform this repair, but it is not recommended for homeowners without electrical repair experience. Always disconnect power to the oven before attempting any internal inspection or repair.

A power reset will not clear F145 if the underlying cause is a hardware short on the Power Board. The fault will return immediately after power is restored because the short condition is still present in the board circuitry. Only replacing the Power Board will resolve the error permanently.