What to do if the Xiaomi Robot Vacuum H40 can't start up?

The Xiaomi Robot Vacuum H40 can fail to start due to insufficient battery power, operating in temperatures that are too low (below 0°C) or too high (above 40°C), or other reasons.
To restore the robot vacuum to normal operation, please follow these steps:
1. Ensure the battery is sufficiently charged by placing the vacuum on the auto-empty station;
2. Use the vacuum only within the recommended temperature range of 0°C to 40°C to avoid temperature-related startup problems;
3. Inspect the vacuum for any obstructions or objects that can be causing it to get stuck and remove them;
4. Restart the robot vacuum to clear any temporary system errors;
5. If the problem persists, contact after-sales service for professional inspection and assistance.