Bosch 12021291 Inverter (Motor Drive) OEM Part

Product Details

Genuine Bosch part. Bosch brands include Bosch, Thermador, Gaggenau, and others.

Cross Reference Information

Part Number 12021291 replaces AP6331048.

Description

This inverter is the motor drive circuit that controls variable motor speed for precise operation and energy-efficient performance. It replaces a failed inverter to restore consistent motor control and normal appliance function. What it does:

• Converts and regulates power to the appliance motor for variable-speed control.
• Restores proper motor start/stop and speed changes when the inverter has failed.
• Commonly associated with symptoms like no motor operation, intermittent runs, error codes related to motor/inverter, or loss of specific cycles.
• Helps eliminate erratic motor behavior caused by damaged or malfunctioning drive electronics.

What's included: One inverter (part number 12021291). Install notes:

• Disconnect power to the appliance before servicing to avoid shock or equipment damage.
• Handle the inverter carefully and avoid contact with circuit components; observe ESD (electrostatic discharge) precautions.
• Verify connector orientation and secure mounting; do not force connectors or damage wiring.