The message "Connection refused by teachme.jp" may appear when the viewing conditions for the embedded manual are not met, the publication settings are insufficient, or the browser settings are lacking. Please check what both the viewer and the Teachme Biz administrator can verify.
What viewers can check
Check if you meet the conditions for viewing
Please refer to the related article and check if you meet the conditions for viewing the embedded manual.
Related: What is an "Embed Tag"
https://help.teachme.jp/hc/en-us/articles/4601552693657/
If the message is displayed even though you meet the conditions, check if there are any missing browser settings.
Check if Apple Safari settings are insufficient
If you cannot view embedded manuals in Apple Safari, browser settings may be insufficient.
In the browser preferences screen, check if you can view the manual by unchecking "Prevent cross-site tracking".
Related: Change Privacy preferences in Safari on Mac (External site)
What Teachme Biz administrators can check
Check if the public folder release settings are insufficient
If the embedded manual is saved in a public folder, check if "Publish" is selected in the "Outside Release" section of the folder settings screen.
Related:
What items can be configured in folder settings?
https://help.teachme.jp/hc/en-us/articles/14419216152985
View and update folder settings (Web Browser)
https://teachme.jp/8/manuals/4929542
What is Outside Release (Public Folder).
https://help.teachme.jp/hc/en-us/articles/900006443043
Check if URLs other than the page where the manual is embedded are specified as referrer URLs for the public folder
If you are restricting access by specifying referrer URLs, check if the page where the manual is embedded is correctly specified as a referrer.
Related: Restrict access with a specific referrer URL or password (Web Browser)
https://teachme.jp/8/manuals/10033436/
Check if IP restrictions are applied
The folder where the target manual is stored may have IP restrictions.
Either connect to the allowed network before accessing the external site again, or check if the intended network is configured correctly.
Related: Please tell me about access restriction by global IP address (Group IP Restrictions and Folder IP Restrictions)
https://help.teachme.jp/hc/en-us/articles/900005508766