Website show 523 error

Hello sir,
I am using cloudfare ssl on my website I replaced my nameserver with cloudfare nameserver. But now its start showing 523 error whenever I opened my website. Now, I download ssl certificate and add it in my server. but my website not opened with ssl. Its show privacy error now.
Please help me as soon as possible. I am unable to contact with cloudfare customer support or chat support.
Please help me so that my website open with ssl.
Thanks in advance

A post was merged into an existing topic: My website not showing ssl