Cause:
1. The battery runs out.
2. The battery pack is not attached correctly.
3. Battery is defect or other reason.
Solutions:
1. Please charge the Vacuum Cleaner with the original adapter (The correct charger output is 30V, 0.5A).

2. Remove and reattach the battery pack, ensuring it is securely in place,
3. Please contact our customer service at support.us2@tikom.com.
Model: V750