How to change RW version of S4C+

Ekas

Hello,
We are using S4C+ controller and there is two different error system failure and enable open.There is no any hardware problem, I checked. I'm thinking about there is a RW version problem.Now, I want to downgrade RW version from 1.80 to 1.14 or etc. but I dont know how can I do it with robinstall. I want to downgrade because I changed CPU board with old version.
Thank you.
Best Regards.