1. Only one screw was installed
Ensure two screws are installed on the base. If only one is installed, please install two to ensure stability.
![](https://saas.bk-cdn.com/t/35d485ae-4ed2-40fa-852f-69628021d58e/u/45795e22-da27-4982-9f6a-3922c022d40c/1685164978874/image.png)
2. Screw connecting the rod and base is loose
Tighten the nut in the middle of the base.
![](https://saas.bk-cdn.com/t/35d485ae-4ed2-40fa-852f-69628021d58e/u/45795e22-da27-4982-9f6a-3922c022d40c/1685165352139/image.png)
3. Screw on the base is loose
- Refasten the product to the base to reinstall .
- Use the allen key provided to tighten the screw under the base.
![](https://saas.bk-cdn.com/t/35d485ae-4ed2-40fa-852f-69628021d58e/u/45795e22-da27-4982-9f6a-3922c022d40c/1685165647035/image.png)
Special cases
For Model A2106
Ensure that the base screw aligns with the recess, and that the recess is located directly below.If not, adjust as picture.
![](https://saas.bk-cdn.com/t/35d485ae-4ed2-40fa-852f-69628021d58e/u/45795e22-da27-4982-9f6a-3922c022d40c/1685165855668/image%20%281%29.png)
For Model A2104
![](https://saas.bk-cdn.com/t/35d485ae-4ed2-40fa-852f-69628021d58e/u/45795e22-da27-4982-9f6a-3922c022d40c/1685166002445/image.png)
For Model BTH217
- Please confirm if all the gaskets on the diagram have been installed in place
- Gaskets missing? Do not worry, Contact KES for replacement!
![](https://saas.bk-cdn.com/t/35d485ae-4ed2-40fa-852f-69628021d58e/u/45795e22-da27-4982-9f6a-3922c022d40c/1685168114545/image.png)
Problem still exists or No after-sales information you need?