4K Optical Fiber Extender
7
After-sales Service
If there appear some problems when running the device, please check and deal with
the problems referring to this user manual.
1) Product Limited Warranty:
We warrant that our products will be free from defects
in materials and workmanship for
two 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 (servicing available for a fee):
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.
