HI,Welcome to Guangdong Yuelian Instruments Co.,Ltd Website!

Advice line:

0769-85842789
Current Location:Home > After-sales service
 
Dear respected customers,
 
Thank you for choosing Yuelian products!
 
Before use, please be sure to read the product manual carefully, and correctly understand the equipment installation and operation.
 
If you have any questions and comments, please contact Yuelian, we will be sincere to help you.
 
All our products have a warranty period. If the product fails within the warranty period, we will repair with free of charge. After the warranty period, we will charge appropriate material costs. All Equipment enjoys life-long maintenance service.
 
In case of failure, please inform the fault situation, warranty card number, we will assign technical engineers.
 
Note: The following conditions are not covered by the warranty.
1. Failure due to natural disasters, such as: floods, earthquakes, typhoons and lightning etc.
2. Failure caused by improper maintenance. Such as: no cleaning fins. Insufficient water tanks, lack of power etc.
3. Failure caused by operation beyond the scope of use. For example: beyond the use of temperature range. The power supply voltage is too high or too low. Working time is too long;
4. Failure caused by self-change circuit wiring or unauthorized modification of the product.
5. Failure caused by illegal installation.