After-Sales Service - VivoLink VLHDMIEXT421 User Manual

7. After-sales Service

If there appear some problems when running the device, please check and deal with the
problems reference to this user manual. Any transport costs are borne by the users
during the warranty.
1) Product Limited Warranty: We warrants that its products will be free from defects
in materials and workmanship for three years, which starts from the first day the
product leaves warehouse (check the SN mark on the product).
Proof of purchase in the form of a bill of sale or receipted invoice must be presented
to obtain warranty service.
2) What the warranty does not cover:
 Warranty expiration.
 Factory applied serial number has been altered or removed from the product.
 Damage, deterioration or malfunction caused by:
 Normal wear and tear
 Use of supplies or parts not meeting our specifications
 No certificate or invoice as the proof of warranty.
 The product model showed on the warranty card does not match with the
model of the product for repairing or had been altered.
 Damage caused by force majeure.
 Servicing not authorized
 Any other causes which does not relate to a product defect
 Delivery, installation or labor charges for installation or setup of the product
3) Technical Support: Email to our after-sales department or make a call, please
inform us the following information about your cases.
 Product version and name.
 Detailed failure situations.
 The formation of the cases.
Remarks: For any questions or problems, please try to get help from your local
distributor.