Liquid Finishing Education & Support

Rotary Bell Atomizers

Rotary bell atomization achieves high transfer efficiency and spray performance. These resources will help you get the most out of your Graco ProBell system.


Installation / setup



Software Upgrade Files


Download Zip File

Right-click on above link and select "Save Link As..." or "Save Target As..." to download this software version.

3A3657, ProBell® Electrostatic Controller, Instructions and Parts

Refer to the "Repair: Software Update" section of this manual while upgrading software.

System Software: 17J278 Series F, Revision H

Release Date: February 11, 2021

Component Part Numbers and Versions:

  • Main Processor: Version 2.09.0
  • Gun Controller: Version 2.15.7

Change History

  • Main controller updates: Discharge Timer C2 is used for H12 errors.  If C2 is < 3s, then the minimum delay time of 3s is applied. This change reduces nuisance H12 errors on system discharge, especially in waterborne systems.
  • Gun controller updates: Fixes nuisance H95 errors

Same files as Pro Xpc version 2.09.0

Note: Software upgrade token does not update software on ProBell Electrostatic Controller. This software must be upgraded using a MicroSD card and the files in the .zip file available for download on the product website.


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