Washer-dryer combo displays D11 and may not start or may stop during cycle; often linked to communication between control boards (if separate motor control exists).

Safety first: Unplug the appliance before accessing control boards. Capacitors may hold charge; avoid touching board components unnecessarily.

• Power reset: Disconnect power for 5–10 minutes, then reconnect and try a short cycle. Sometimes transient faults clear after a reset.
• Inspect connectors: Remove the top panel to access the main control board. Check all multi-pin connectors for secure fit. If your Brandt model has a separate motor control module near the motor, inspect its connectors as well.
• Check wiring harness: Look for pinched, rubbed, or burnt wires between boards. Repair or replace damaged sections.
• Board replacement: If wiring is intact and D11 persists, one of the boards is likely defective. Because diagnosis requires specialized tools, board replacement should generally be performed by a qualified technician.