F15
Bauknecht Dryer heater relay / control fault

Drying cycle ends prematurely or does not start, F15 displayed.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Stuck or failed dryer heater relay on main control, wiring fault to dryer heater, control board logic error

How to Fix / Troubleshooting

Safety first: Unplug the appliance.

Basic checks:

  • Verify heater and NTC: Confirm that the dryer heater and NTC sensor are functional (see F13 and F14 steps). If both are good, focus on the control.
  • Inspect control board: Remove the top cover and inspect the main control for burnt areas near the dryer relay.

Resolution: If the board shows damage or F15 persists despite good heater and sensors, replace the main control board.

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Repair Difficulty

Professional Required 5/5

Required Part

Main Control Board (Power Module)
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