---
title: "ETS Download Error: Mismatched KNX Manufacturers"
slug: "mismatched-knx-manufacturers"
updated: 2024-10-29T06:20:45Z
published: 2024-10-29T06:20:45Z
canonical: "knowledge.akuvox.com/mismatched-knx-manufacturers"
---

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

# ETS Download Error: Mismatched KNX Manufacturers

## Symptom

A download error message similar to “Application program and device are from different manufacturers” is shown.

## Cause

The manufacturer IDs of HyPanel’s flush mounted module and the database do not match.

## **Solution**

1. Ensure no other devices on the bus are in the programming mode.
2. Check the manufacturer ID of the database to be downloaded.

![](https://cdn.document360.io/f09a6106-e976-455e-b2d0-3d88b5385960/Images/Documentation/mismatched-knx-manufacturers-image-r6x3ch1t.png)

1. Verify if the flush mounted module’s manufacturer ID of match the database’s ID.
  1. Open the Diagnostics panel by clicking **Panels > All Panels > Diagnostics**.

![](https://cdn.document360.io/f09a6106-e976-455e-b2d0-3d88b5385960/Images/Documentation/mismatched-knx-manufacturers-image-h8zdc4ha.png)

b. Click **Device Info**, enter the device’s address, and click **Read**.

![](https://cdn.document360.io/f09a6106-e976-455e-b2d0-3d88b5385960/Images/Documentation/mismatched-knx-manufacturers-image-hphkx796.png)

c. Confirm if the device’s manufacturer matches the database’s.

> [!NOTE]
> **Note**
> 
> If the device manufacturer value is 65535, the flush mounted module is probably faulty. Please contact technical support for assistance.
> 
> ![image2024-8-13_11-32-20](https://cdn.document360.io/f09a6106-e976-455e-b2d0-3d88b5385960/Images/Documentation/mismatched-knx-manufacturers-image-t17ffchm.png)

1. If the problem continues, there could be an issue with the HyPanel’s built-in database. Please contact your service provider for a warranty replacement.