---
title: Why is the door of my CMAXX not closing?
description: Is the door to your CMAXX Dust & Fume Collector not closing? Let's find out why.
---

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1. [Solutions Database](https://kb.isystemsweb.com/knowledge?hsLang=en)
2. [CMAXX Dust & Fume Collector](https://kb.isystemsweb.com/knowledge/cmaxx-dust-fume-collector?hsLang=en)

# Why is the door of my CMAXX not closing?

Ensure that cartridge filters are fully pushed back and in the correct position. Ensure that lift rails are raised to the upright position. If filters are not properly installed, the door of the unit will not close.

- [General Dust Collection](https://kb.isystemsweb.com/knowledge/general-dust-collection?hsLang=en#main-content)

    - [KST](https://kb.isystemsweb.com/knowledge/general-dust-collection?hsLang=en#kst)
- [CMAXX Dust & Fume Collector](https://kb.isystemsweb.com/knowledge/cmaxx-dust-fume-collector?hsLang=en)
- [BRF Baghouse Dust Collector](https://kb.isystemsweb.com/knowledge/brf-baghouse-dust-collector?hsLang=en#main-content)

    - [Medium Pressure Baghouse](https://kb.isystemsweb.com/knowledge/brf-baghouse-dust-collector?hsLang=en#medium-pressure-baghouse)
- [Spark Trap](https://kb.isystemsweb.com/knowledge/spark-trap?hsLang=en)
- [Abort Gate](https://kb.isystemsweb.com/knowledge/abort-gate?hsLang=en)
- [Air-Port Fume Exhaust Hood](https://kb.isystemsweb.com/knowledge/air-port-fume-exhaust-hood?hsLang=en)
- [Dust Collector Cartridge Filters](https://kb.isystemsweb.com/knowledge/dust-collector-cartridge-filters?hsLang=en)

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