5.2 Product Maintenance
5.2.1 How to Repair
Please call the customer service hotline 400-008-8306 and contact the
after-sales for handling if you need to return or replace the goods.
CZI guarantee, under normal use, the smart products you purchased are free
from defects in materials and processes within the warranty period. The
warranty period of this product starts from the day of receipt, or CZI speci-
fied otherwise.
Maintenance service
Whether it meets the requirements
to return to the factory
No Yes
Online technical solution Send back the product
Whether or not it meets
the requirements for free
maintenance
Yes No
Send it back to the
maintenance department
Issue the maintenance
quote
Inspection and
maintenance
Whether to pay for
maintenance
Qualified products
Shipment
Yes No
End of Service
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