---
title: "Replacing the NavVis VLX 3 Fan Filters"
slug: "replacing-the-navvis-vlx-3-fan-filters"
description: "Replace the fan filters on the NavVis VLX 3 annually or if overheating occurs below 30°C. Locate filters on the head and bottom for easy replacement."
tags: ["How to video"]
updated: 2024-01-29T12:30:38Z
published: 2024-01-29T12:30:38Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://knowledge.navvis.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Replacing the NavVis VLX 3 Fan Filters

Follow these instructions to replace the fan filter on your NavVis VLX 3. We recommend you replace the fan filters once a year.

> [!WARNING]
> **Caution:** If a warning is displayed for overheating at temperatures below 30°C, check to see if the fan filter is clogged. If it is clogged, replace it with a new filter that comes in the transportation box. We recommend you replace the fan filter annually. A clogged filter reduces the performance of the and it might overheat at temperatures below 30°C.

To replace the fan filters, locate them on the head and bottom as shown here.

![replacing-the-navvis-vlx-2-fan-filters-image-mtl1sjj0](https://cdn.document360.io/bf174766-fa1a-4fe1-a4d7-b1db1e7cb996/Images/Documentation/replacing-the-navvis-vlx-2-fan-filters-image-mtl1sjj0.png)[Embedded content](https://player.vimeo.com/video/832601463?h=f86b000e55&badge=0&autopause=0&player_id=0&app_id=58479)