Samsung Dryer Error Code 3C3

The 3C3 code indicates that the drum inverter board has detected a fault in the BLDC motor or in the inverter PBA itself. The dryer stops operation to prevent damage to these components. This code points to either a wiring or connection problem between the motor and inverter board, a failed inverter PBA, or a faulty motor.

Unplugging the dryer for a few minutes and restarting may temporarily clear the code, but if an underlying fault exists in the motor, wiring, or inverter board, the error will return once the dryer attempts to run. A reset alone is not a fix and should only be used as part of the diagnostic process to confirm whether the fault is intermittent or persistent.

Repair costs depend on which component has failed. If only cleaning or reseating connectors is needed, the cost may be minimal or limited to a service call fee, typically in the range of $75 to $150. Replacing the inverter PBA generally costs between $150 and $350 including parts and labor, while a BLDC motor replacement can range from $200 to $450 or more depending on parts availability and local labor rates.

A knowledgeable DIYer can start by unplugging the dryer, accessing the motor connector, and inspecting the terminal connections for looseness or corrosion. Reseating the connectors sometimes resolves the fault. However, if the inverter PBA or the BLDC motor itself needs to be replaced, that work involves handling high-voltage components and is best handled by a qualified technician.

No, you should not continue running the dryer while this fault is active. The 3C3 code indicates a motor or inverter control problem, and operating the dryer in this condition could cause further damage to the motor or inverter board. Keep the dryer unplugged until the fault has been properly diagnosed and repaired.