Introduction
The GROHE F-Digital Additional Digital Controller 36309000 is designed to provide precise and convenient digital control over your bath or shower system. This wireless, push-button operated device allows for easy adjustment of water temperature and flow, enhancing your daily water experience with modern technology. Featuring GROHE StarLight finish for durability and GROHE EcoJoy technology for water efficiency, this controller integrates seamlessly into contemporary bathroom designs.

Image: The GROHE F-Digital Additional Digital Controller 36309000, showcasing its sleek, chrome-finished design with intuitive control buttons.
Setup and Installation
Proper installation of the GROHE F-Digital Additional Digital Controller ensures optimal performance and longevity. This controller is designed for wall-mount installation and operates wirelessly with a compatible GROHE F-Digital system. Ensure all necessary components are present before beginning installation.
Unpacking and Inspection
- Carefully remove all components from the packaging.
- Inspect the controller for any signs of damage during transit.
- Verify that all parts listed in the product documentation are included.
Battery Installation
The controller operates on batteries (typically supplied). Open the battery compartment, insert the batteries according to the polarity indicators, and securely close the compartment.
Mounting the Controller
The controller is designed for wall mounting. Choose a suitable location within reach of the shower or bath area. Ensure the mounting surface is clean and dry. Use appropriate fasteners for your wall type to secure the mounting bracket, then attach the controller to the bracket.

Image: Technical drawing showing the dimensions of the GROHE F-Digital Additional Digital Controller, with a diameter of 77mm and a height of 26mm.
System Pairing
Refer to your main GROHE F-Digital system manual for specific instructions on pairing this additional controller. Typically, this involves a simple synchronization process to establish wireless communication between the controller and the main unit.
Operating Instructions
The GROHE F-Digital Additional Digital Controller offers intuitive control for your water experience. Familiarize yourself with the button functions for optimal use.

Image: A four-panel guide illustrating the operational steps of the GROHE F-Digital controller: pressing the on/off button, turning the outer ring for flow adjustment, and using the minus (-) and plus (+) buttons for temperature control.
Starting/Stopping Water Flow
- To start the water flow, press the central on/off button (power symbol).
- To stop the water flow, press the central on/off button again.
Adjusting Water Flow
- To adjust the water flow rate, turn the outer ring of the controller. Turning clockwise typically increases flow, while counter-clockwise decreases it.
Adjusting Water Temperature
- To decrease the water temperature, press the minus (-) button.
- To increase the water temperature, press the plus (+) button.
Maintenance
Regular maintenance ensures the longevity and aesthetic appeal of your GROHE F-Digital Additional Digital Controller.
Cleaning
- Clean the controller regularly with a soft cloth and mild soap or a non-abrasive cleaner.
- Avoid using abrasive cleaners, scouring pads, or harsh chemicals, as these can damage the GROHE StarLight chrome finish.
- Wipe dry with a soft cloth to prevent water spots.
Battery Replacement
- If the controller becomes unresponsive or its indicator lights dim, it may be time to replace the batteries.
- Follow the battery installation steps outlined in the Setup section.
- Dispose of old batteries responsibly according to local regulations.
Troubleshooting
If you encounter issues with your GROHE F-Digital Additional Digital Controller, refer to the following common problems and solutions.
Controller Not Responding
- Check Batteries: Ensure batteries are correctly installed and have sufficient charge. Replace if necessary.
- Check Connection: Verify that the controller is properly paired with the main GROHE F-Digital system. Refer to the main system manual for re-pairing instructions.
- Obstruction: Ensure there are no physical obstructions or strong electromagnetic interference between the controller and the main unit.
No Water Flow or Incorrect Temperature
- Main System Status: Confirm that the main GROHE F-Digital system is powered on and functioning correctly.
- Water Supply: Check if the main water supply to your bath/shower is open.
- Temperature Limits: Ensure that the desired temperature is within the system's programmable limits.
If problems persist after attempting these solutions, contact GROHE customer support or a qualified technician.
Specifications
| Brand | GROHE |
| Model Number | 36309000 |
| Color | StarLight Chrome |
| Material | Metal, Brass |
| Finish Type | StarLight Chrome |
| Mounting Type | Wall Mount |
| Item Weight | 0.01 Ounces |
Warranty and Support
For detailed warranty information regarding your GROHE F-Digital Additional Digital Controller 36309000, please refer to the warranty card included with your product or visit the official GROHE website. Warranty terms and conditions may vary by region and retailer.
For technical support, replacement parts, or further assistance, please contact GROHE customer service or visit their official website. You can find more information about GROHE products and support at the GROHE Store.


