# Resetting the TeFlow Water Re Circulator Air Filter Alarm
The VWR water re-circulator may display these messages with information regarding maintenance:
"Service air filter and reset"
"The fluid should be replaced"
**Follow these instructions to reset the alarm:**
1. Make sure the water circulator is off or in standby mode.
2. Open the Front Panel by pulling forward. The air filter can now be removed and brushed clean if there is excessive dust. Reseat the filter and the front panel.
3. To reset the counter, turn on the re-circulator and press the Menu button (see Fig 3).
4. Press the Service Button on the touch screen to access the Service Menu.
5. Press both the "Reset" buttons on the right hand side next to "Air Filter Service Interval" and "Fluid Service Interval" (See Fig 4). This will reset the counter to 180 days.
For additional information, see [VWR Circulating Baths User Manual](https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=4add559d18111547bc5422fbc6856dca8d140c5b\&vid=41e56e5af5d2f139b8c80632a4c3e859245ee7df\&prid=original\&clid=SAPDAM).
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