We provide a 24/7/365 after-sales service channel. Emergency hotline: +86 177 2804 7098; After-Sales email: yanfabu@xsdgroup.cn.
Fault classification and handling requirements are as follows:
1. Level 1 (Emergency Fault): Complete project shutdown, core business interruption. Response within 30 minutes, remote intervention within 2 hours, and a solution within 24 hours; if immediate repair is not possible, a temporary solution must be provided.
2. Level 2 (General Fault): Non-core function abnormalities that do not affect core business. Response within 1 hour, remote support within 4 hours, and resolution within 3 business days.
4.Level 3 (Consultation): Usage consultation, operation guidance, and routine configuration adjustments. Response within 2 hours, and a reply or adjustment completed within 1 business day.