> For the complete documentation index, see [llms.txt](https://blockchainlens.gitbook.io/cardano-spot-check/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blockchainlens.gitbook.io/cardano-spot-check/advanced-checks/usage.md).

# Using Advanced Checks

## When Should You Use Advanced Checks?

It is important to run these checks whenever you have performed any major maintenance on your pool such as an update of your pool registration.  

Note that **all of the issues under Advanced Checks may be present even if your node appears to be behaving correctly**.  The only apparent indicator that something has happened is if you have been selected as slot leader but you are unable to make a block.  This is very heart breaking especially for small pools who do not regularly mint blocks.  This is actually my primary motivation for creating this site.  I want to make sure all SPO's are aware of these issues in order to avoid missing their block producing opportunity.


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