What might be the issue when logging into the product cluster console and it takes...

When logging into the product cluster console and it takes a long time or times out, one possible issue could be that the auth-idp pod is down. The auth-idp pod is responsible for authenticating users and providing them with access to the console. If this pod is down, users will not be able to log in and the console will not be accessible. This issue can be resolved by starting the auth-idp pod.

https://www.ibm.com/support/knowledgecenter/en/SSYHZ8_20.0.x/com.ibm.dba.baw.install/topics/install_troubleshoot_cluster_console.html

https://www.ibm.com/support/knowledgecenter/en/SSYHZ8_20.0.x/com.ibm.dba.baw.install/topics/install_troubleshoot_cluster_console_authentication.html