Washer-dryer combo shows F31 and may not spin or may stop during high-speed spin.

Safety first: Unplug the unit before accessing internal components. Avoid reaching into a spinning drum.

Step-by-step checks:

• 1. Check load: Ensure the drum is not overloaded or loaded with a single heavy item (e.g., a rug). Redistribute clothes and try again.
• 2. Inspect motor and harness: Follow the steps under F25 to check the motor, tach, and wiring.
• 3. Suspension check: Worn shocks or springs can cause excessive vibration and speed errors. Inspect and replace if leaking or weak.
• 4. Control board: If mechanical and wiring checks pass, the control board may not be reading speed correctly and may need replacement.