alt Hacker NewsOn top of the monitoring mentioned by others, it's also to create a centralized log of actual temperatures. This then lets you show inspectors that you are keeping up with refrigeration requirements.
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DougN7 • today at 1:38 PM
You have to wonder about the monitoring - it apparently wasn’t alerting for someone to do something about it in time. What was the point of the monitoring in that case??
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Creating a centralized log is monitoring. It doesn't need write access to the defrost setting.