Bosch Dryer Error Code E:29

E:29 on a Bosch dryer indicates a blocked rotor fault in the compressor inverter system. This means the heat pump compressor motor is not rotating as expected, either due to a mechanical seizure, winding failure, or an electrical problem in the inverter circuit. The dryer shuts down automatically to prevent further damage when this condition is detected.

No, you should not continue operating the dryer while E:29 is active. The error indicates the compressor is not functioning correctly, and running the appliance in this state risks overheating the motor, damaging the inverter board, or causing additional electrical harm. Disconnect the dryer from power until the fault is properly diagnosed and repaired.

Performing a reset by unplugging the dryer for a few minutes may temporarily clear the code, but if the underlying fault with the compressor or inverter is still present, the error will return quickly once the dryer attempts to operate. A reset alone does not fix a seized compressor, damaged windings, or a failing inverter board. Proper diagnosis and repair of the root cause are required to permanently resolve E:29.

Basic steps like inspecting and reseating electrical connections to the compressor are within reach for experienced DIYers. However, testing compressor windings requires a multimeter and some technical knowledge, and any work involving the refrigerant circuit must be performed by a certified technician. Compressor or inverter board replacement is also a job best handled by a qualified repair professional.

Repair costs vary depending on the root cause. If the issue is simply a loose or corroded electrical connection, the cost may only involve a service call fee, typically in the range of $75 to $150. Inverter board replacement can run $200 to $400 including parts and labor. A full compressor replacement is the most expensive outcome, often ranging from $350 to $700 or more depending on parts availability and labor rates in your area.