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ACE Service Installer 4.1.0 and upwards fail to communicate with charger on old firmware

 

Overview
We have been informed that ACE Service Installer version 4.1.0 and upwards sometimes is not able to communicate with NG-chargers that still use firmware from before 2022.
A message like below may appear:


To work with these chargers, we made ACE Service Installer version 4.0.0_401 available for download again.
We recommend to use the latest version of the ACE Service Installer when you are not impacted as more recent versions bring further improvements.

 

Download ACE Service Installer version 4.0.0_401

 

Version information:

  • Version: 4.0.0_401

  • Release date: 23-07-2025

 

Please find ACE Service Installer 4.0.0 attached as .zip to this article.
 

Keywords: Firmware, old, 4.1.0, 4.2.0, 4.3.0, failed, communicate, 4.0.0

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