Report the issue
Describe the fault, operating symptoms and error codes. Provide photos or video of the nameplate, exterior, wiring and site conditions.
Buyer question & our response
Customer
What happens if a component fails during operation?
Strategy-Control
Contact us with the fault description, error code and supporting photos or video. We provide technical guidance first. If the product cannot continue to operate, we will guide you through our documented return, receiving inspection, replacement or refund process.
Warranty support
6-Step After-Sales Process
Technical review
Our technical team reviews the information and provides troubleshooting guidance and relevant documentation.
Return decision
If the product cannot continue to operate, we move the case into the return-review process.
Submit case documents
After all required records are received and approved, we provide the designated return address.
Return the product
The customer packs the product securely and sends it to the provided receiving address.
Receiving inspection
A verified original manufacturing defect is handled by replacement or refund. Human damage, disassembly or burn damage is returned without compensation, with round-trip freight paid by the customer.
Warranty coverage
Coverage applies to eligible new and genuine products with non-human-caused product quality defects. The warranty period is 12 months from delivery.
Service limits and exclusions
Coverage does not include on-site visits, on-site commissioning, labor charges or round-trip freight. Exclusions include incorrect wiring, overload, corrosive site conditions, unauthorized disassembly, normal wear, human-caused damage, burn damage and discontinued or obsolete spare parts without warranty eligibility.