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File Sensor code: PE031

Modified on 2025-06-10 20:21:26 +0200

I get the following error when adding file sensor. "Cannot access file: System Error. Code: 21. The device is not ready (code: PE031)" What exactly am I missing or doing wrong?

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Hello there,

You may want to check this thread "https://helpdesk.paessler.com/en/support/solutions/articles/760000635118173-cannot-access-file:-access-is-denied-5-code:-pe031" where it's indicated similar issue as yours. Does it help?

Apr, 2022 - Permalink

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File Sensor code: PE031

Article CommentsAttention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.