Support
Get help with your myCistern WaterGuard device
If you have questions about your WaterGuard, first use . It knows this documentation and helps you quickly find the right solution. Describe your request as specifically as possible.
Getting help quickly
Troubleshooting
Step-by-step guides for connectivity, sensor and refill problems.
LED signals
Meaning of your WaterGuard colours and lighting patterns.
Set up WaterGuard Refill
Quick Start and installation guide for commissioning WaterGuard Refill.
myCistern app
Manage devices, levels, messages and settings.
Contact myCistern support
If Ask AI and the guides do not solve your problem, contact us directly:
- Email: support@mycistern.com
- Phone: +49 871 14215080
- Service hours: Monday to Friday, 9:00 to 17:00
To help us assist you faster
Please provide your model, serial number and a precise description of the problem. Photos or screenshots, for example of an error message or the installation, can help us assess the issue and are optional.
For on-site assistance, contact your installer if needed.