How To Use And After-sales Service Of HYSEN Thermostat
How to buy hYSEN thermostat?
1. Leave your contact information by leaving a message on the official website, and our customer service will contact you
2. If you have an alibaba account, you can search for "HYSEN thermostat" on alibaba and purchase our products directly through our alibaba platform
3. You can contact our customer service by email to arrange the purchase for you. Email address: HYSEN@CN-HYSEN.COM
4. If you are already our customer, you can contact the salesperson who got in touch with you and she will assist you
How to Use?
- Please carefully read the instructions in the manual, complete the product wiring, and use the product correctly according to the manual
Where can I get the product manual?
- When you receive the product, please keep the product manual well so that you can easily complete the corresponding operations when using the product
- If you lose the manual, you can contact the salesperson who sold you the product to ask for it
- You can also leave your contact information and product model on our official website. Our customer service will contact you and send you the product manual
- It is worth noting that we are unable to send you the product manual through here. Therefore, leaving your contact information is a very important after-sales channel
How to unlock the child lock of the product?
Hold down the "Reduce Key" for 3 to 5 seconds until the lock icon disappears. If this method doesn't work at all, please contact your salesperson or customer service. We will send you the correct manual and instructions based on your model


How to connect to WiFi
There are different WiFi connection operations for different models
The following are the connection steps for HY516 and HY09RF
If you are in a hurry and can't get in touch with the client, you can try following the steps below

- The second solution

What should I do if I can't connect to WiFi? / What should I do if my WiFi is often disconnected
Please check if there is any problem with your WiFi device
Please delete the thermostat device on the APP, clear the data and reconnect the thermostat
If the problem still remains unsolved, you can contact our customer service staff. We will check the cause for you in the background and assist you
My problem is more complicated. How can I find after-sales service
1. Seek customer service assistance at the place where you purchased the product
2. Leave your contact information and questions on the HYSEN official website, and our customer service staff will assist you

3. On the side of the HYSEN official website, there is the contact information of the customer service. You can contact the customer service directly