First check the power supply stability to confirm whether it is caused by voltage fluctuations; if the problem persists, please contact 400 customer service to arrange for technicians to perform remote system diagnosis or on-site inspection. National outlets promise to respond within 2 hours.

The company provides free BIM in-depth design services. The special service team can remotely guide the installation or on-site supervision. Complex projects are equipped with project managers to follow up throughout the process to ensure that the error rate is controlled within 0.5%.

All products enjoy a 5-year warranty + lifetime maintenance. Core components can be replaced free of charge for non-human damage during the warranty period. 20+ service outlets nationwide provide 48-hour closed-loop solutions.

For core markets such as the Middle East/Southeast Asia, the company has set up an ODM service center to provide localized technical support and spare parts warehouses. Major quality issues are directly handled by the regional technical director.

The system supports OTA remote upgrades. Customers can update algorithms and functional modules with one click through the management background. Customized upgrade requirements are evaluated by the R&D department and special solutions are provided to ensure compatibility with existing hardware.