---
title: Why is the differential pressure of my baghouse high?
description: There are a few different reasons a baghouse's differential pressure may be high. Let's dig into them here.
---

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2. [BRF Baghouse Dust Collector](https://kb.isystemsweb.com/knowledge/brf-baghouse-dust-collector?hsLang=en)

# Why is the differential pressure of my baghouse high?

### End of filter service life.

Replace filters. Service life is determined by the application. [Click here for replacement instructions.](https://kb.isystemsweb.com/knowledge/why-is-there-dust-coming-out-of-my-baghouse?hsLang=en)

### Cleaning arm not rotating.

- Check coupling at arm drive.
- Check power to cleaning arm motor.
- Check gear reducer for damage.

### Cleaning fan not working.

[See fan motor trouble shooting.](https://kb.isystemsweb.com/knowledge/why-is-the-fan-motor-on-my-reverse-air-baghouse-not-running?hsLang=en)

- [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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