YAKOTEC MS-S3 - 8 Warranty and After-Sales Service; Warranty Information; After-Sales Support

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www.yankong.com MS-S3 V2.1 User Manual
23 03/06/2019
8 Warranty and after-sales service
8.1 Warranty and after-sales service
Please keep the box for transportation, storage or return of the product to YAKO for
maintenance purposes.
One year warranty：
The warranty is for damage caused by the product within one year of purchasing.
Inapplicability of warranty：
 Improper wiring, power supply voltage and damage caused by user peripheral
configuration.
 User changed the drive without written authorization from YAKO.
 Use beyond the electrical and environmental requirements.。
 Drive serial number is missing or unreadable.
 Obviously damage of the shell.
 Irresistible disaster.
8.2 After-sales service
When you need product after-sales service support, please call the company's
national toll-free service hotline (only Chinese): 400-033-0069
Monday to Friday (except for national holidays) 8：30-17：30
YAKO headquarters address：6B, building B3, Guangming Science and Technology
Park, Guangming District, ShenzhenCity, P.R. China.
YAKO R&D center：802A, Languang Building, Nanshan District, Shenzhen City, P.R.
China.
Tel：（86）755-86142288 86142255
Fax：（86）755-86142266
Web：www.yankong.com
Before you make a call, please record the following information:
 Fault phenomenon
 Product model and serial number
 Installation date or production date