Contact Viessmann Toolbox Customer Service

Why should I report an Issue with Viessmann Toolbox?

1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
2. Pulling issues faced by users like you is a good way to draw attention of Viessmann to your problem using the strength of crowds.
3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.

1. Sort a decent app for uk installers please.Crashes and limited functionality, running on galaxy tab 2 10.1. Look forward to apps similar to those on the iphone currently inc the wireless connectivity options for system controls.

2. Most of the tools are not available to the uk market, the rest are worthless.

3. Not useful at all in N.A.Very limited use.

4. Everything useful is in German.

1. Fix Viessmann Toolbox Not Working/Crashes/Errors/Unresponsive & Black/White screen:

1. Restart Viessmann Toolbox: Restarting the app will resolve most errors.
2. Update the Viessmann Toolbox App. Here is how:
   1. On Android goto PlayStore » Search for "Viessmann Toolbox" » Open Viessmann Toolbox » click "Update".
   2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Viessmann Toolbox » click "UPDATE".
3. Clear Viessmann Toolbox app cache: Clearing cached data will force your app to retrieve the latest data directly from Viessmann Toolbox servers.
   1. On Android, goto Settings » Apps » Select "Viessmann Toolbox" » click Storage » click "Clear Cache".
4. Check Viessmann Toolbox app permissions. If any of these permissions required to use your device's features are disenabled, Viessmann Toolbox might not work.
5. Uninstall and reinstall Viessmann Toolbox. If nothing else has worked, completely uninstall Viessmann Toolbox then reinstall.
6. Restart your device. Last, restarting your device can often clear most problems causing Viessmann Toolbox not working

2. Fix Viessmann Toolbox Server issues & Internet Connection

1. Check network connection: An unstable Internet will make Viessmann Toolbox be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
2. Disable VPN: VPN can cause connection errors and lead to Viessmann Toolbox not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, Viessmann Toolbox may not be able to connect to the Internet when running in the background.