---
title: Why does my Gastro+ have a pink circle with 'SEN01' and a date?
description: Sensor Change Warning On Gasto+
---

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# Why does my Gastro+ have a pink circle with 'SEN01' and a date?

## Sensor Change Warning On Gasto+

![Gastro+-warning](https://support.bedfont.com/hs-fs/hubfs/Gastro+-warning.png?width=300&name=Gastro+-warning.png)

The device's sensor change is due in 60 days or less, contact [your local distributor](https://www.bedfont.com/find-my-distributor/) to arrange a service.

If the problem persists or has not been resolved by the information provided above, please contact your local distributor for more information. Find out who your local distributor is from our website [here](https://www.bedfont.com/find-my-distributor). 

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    - [FAQ](https://support.bedfont.com/en/knowledge/gastrolyzer?hsLang=en#faq)
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    - [Maintenance](https://support.bedfont.com/en/knowledge/gastrolyzer?hsLang=en#maintenance)
    - [Infection control](https://support.bedfont.com/en/knowledge/gastrolyzer?hsLang=en#infection-control)
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    - [Maintenance](https://support.bedfont.com/en/knowledge/toxco?hsLang=en#maintenance)
    - [Infection control](https://support.bedfont.com/en/knowledge/toxco?hsLang=en#infection-control)
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