szruitech.com
R110PLUS USER MANUAL
13
Appendix A. Guarantee Clause
A.1 Warranty period: 12 months
We provide quality assurance for one year from the date of delivery and free maintenance service for our
products during the warranty period.
A.2 Exclude the following:
Improper connection, such as the polarity of the power supply is reversed and insert/pull the motor
connection when the power supply is connected.
Beyond electrical and environmental requirements.
Change the internal device without permission.
A.3 Maintenance process
For maintenance of products, please follow the procedures shown below:
(1) Contact our customer service staff to get the rework permission.
(2) The written document of the drive failure phenomenon is attached to the goods, as well as the
contact information and mailing methods of the sender.
Mailing address:
Post code:
Te
The driver
terminal burned
up
Short circuit between terminals
Check power polarity or external short
circuit
Internal resistance between
terminals is too large
Check whether there is any solder ball
due to excessive addition of solder on
the wire connections