kindly you must to know the following :
1- TCM Version
2- Thin Client Model
3- Firmware Version
and Kindly You Must to Check Guide to Ensure a Correct Set of Configuration :
https://support.huawei.com/enterprise/en/doc/EDOC1000100229?idPath=7919749%7C9856522%7C21782478%7C21782484%7C8677678