# Sensor Maintenance

**URL:** <https://community.purpleair.com/t/sensor-maintenance/1531>\
**Category:** Troubleshooting\
**Created:** [August 4, 2022, 2:56pm UTC](https://community.purpleair.com/t/sensor-maintenance/1531 "2022-08-04T14:56:42Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Josh\_PurpleAir](https://sea2.discourse-cdn.com/flex020/user_avatar/community.purpleair.com/josh_purpleair/32/2842_2.png) [@Josh\_PurpleAir](https://community.purpleair.com/u/Josh_PurpleAir)\
**Post date:** [June 28, 2023, 3:45pm UTC](https://community.purpleair.com/t/sensor-maintenance/1531/4 "2023-06-28T15:45:07Z")

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Hi, @WhatsInYourAir, we recommend powering down the device before vacuuming and using compressed air. This is so the fans stop spinning and help prevent damage to the laser counters.

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_[View the full topic](https://community.purpleair.com/t/sensor-maintenance/1531)._