Bosch Dishwasher Error Code 0100

Error code 0100 indicates an inverter error caused by a locked rotor condition in the circulation pump motor. The inverter board detected that the pump motor is not spinning when commanded to do so. This can be caused by a wiring fault, a physical obstruction in the pump, a seized motor, or a failed inverter board.

No, the dishwasher should not be operated while this fault is active. The error indicates the pump motor is not functioning correctly, and continuing to run the appliance could worsen the failure or cause overheating of the inverter board. Address the underlying cause before resuming use.

Repair costs vary depending on the root cause. Clearing a pump obstruction involves little to no parts cost. Replacing the circulation pump motor typically runs in the range of $150 to $350 including parts and labor. Inverter board replacement can cost between $200 and $450 depending on the specific model and service rates in your area.

Some causes of this error are DIY-accessible, such as checking wiring connectors and clearing debris from the pump impeller. However, diagnosing a failed motor winding or replacing the inverter board requires comfort with electrical testing and disassembly. If you are not confident working around appliance wiring, a qualified technician is recommended.

A reset may temporarily clear the fault display, but the error will return if the underlying cause has not been resolved. Because the locked rotor condition is a hardware fault, the inverter will detect it again on the next wash cycle. A reset alone is not a fix.