Bosch Dryer Error Code E:0100

E:0100 is a collective Power Unit error code, meaning the dryer's main control board has detected one or more system-level faults. It is the 4-digit version of error code E:63 and covers a range of issues related to the Power Unit and its connected components. Because it is a collective code, further diagnosis is needed to identify the specific fault within the system.

It is not recommended to continue operating the dryer while E:0100 is active. This code indicates a fault within the core electrical control system, and running the appliance could worsen an existing wiring or component issue. Discontinue use until the fault has been properly diagnosed and repaired.

A reset by unplugging the dryer for several minutes may temporarily clear the code, but it will return if the underlying fault is still present. E:0100 is a system-detected error that requires the actual cause to be identified and corrected for the code to stay cleared. A reset alone is not a repair and should only be used as part of the diagnostic process.

Start by unplugging the dryer and inspecting all electrical connections between the motor and the Power Unit, looking for loose terminals, corrosion, or damaged wiring. If connections are secure, testing the motor capacitor and motor windings for faults is the next step. If both check out, the Power Unit itself may need to be replaced by a qualified technician.

Repair costs vary depending on the root cause. If the fix involves reseating a loose connector or replacing a motor capacitor, costs are typically in the range of $50 to $150 including labor. A motor replacement generally runs $150 to $350, while a Power Unit board replacement can range from $200 to $450 or more depending on parts availability and labor rates.