Bosch Dryer Error Code E:6

E:6 indicates an error in the drying heater circuit. The control board has detected that the heating system is not operating as expected and has stopped the heating function as a precaution. This can be caused by a tripped Klixon thermal cutout, a failed heating element, wiring issues, or restricted airflow. Diagnosis should begin with checking the Klixon on the heating element.

You should not attempt to bypass or ignore the E:6 error and continue using the dryer. The code indicates a fault in the heating circuit, and the dryer has disabled heating as a safety measure. Running the appliance with an unresolved heater circuit fault could pose a fire or electrical hazard. Have the issue diagnosed and repaired before resuming normal use.

Repair costs depend on which component has failed. Replacing a Klixon thermal cutout is typically the least expensive fix, with parts generally ranging from around $10 to $40. A heating element replacement usually costs more, with parts in the range of $30 to $100 or higher depending on the model. Adding labor costs for a professional technician, total repair bills commonly fall between $100 and $300, though control board replacement would push costs toward the higher end of that range.

Start by checking the Klixon thermal cutout on the heating element for continuity using a multimeter. If it has tripped or failed, it will need to be replaced. Also inspect the heating element itself, all related wiring connections, and ensure the exhaust duct and lint filter are clear of obstructions. If all heater components test correctly, the control board may need evaluation.

A power reset may temporarily clear the error display, but E:6 will return if the underlying fault in the heater circuit has not been corrected. If the Klixon tripped due to a one-time event and has reset itself, the code might not immediately reappear, but the root cause such as restricted airflow should still be investigated. A proper repair of the faulty component is required for a lasting resolution.