1. Einleitung
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Marantec C231-868 remote control. This device is designed for controlling gate and garage door systems, operating on a frequency of 868.3 MHz. Please read this manual carefully before use to ensure proper function and safety.
2. Sicherheitshinweise
Beachten Sie die folgenden Sicherheitsrichtlinien, um Schäden am Gerät oder Verletzungen zu vermeiden:
- Bewahren Sie die Fernbedienung außerhalb der Reichweite von Kindern auf.
- Do not expose the remote control to moisture, extreme temperatures, or direct sunlight.
- Do not attempt to open or repair the remote control yourself. Refer to qualified personnel for service.
- Entsorgen Sie gebrauchte Batterien gemäß den örtlichen Vorschriften.
- Ensure the gate or garage door area is clear before operating the remote control.
3. Packungsinhalt
Überprüfen Sie, ob alle Artikel in Ihrem Paket vorhanden sind:
- Marantec C231-868 Remote Control
- CR2032-Batterie (vorinstalliert oder separat)
- Programmieranweisungen
- Mounting hardware (screws and wall plugs, if applicable)

Image 1: Contents of the Marantec C231-868 package, showing the remote control, screws, and wall plugs.
4. Einrichtung
4.1. Einlegen der Batterie
The Marantec C231-868 remote control uses one CR2032 lithium battery. The battery may be pre-installed. If not, or if replacement is needed:
- Öffnen Sie vorsichtig die Fernbedienung casing.
- Legen Sie die CR2032-Batterie so ein, dass die positive Seite (+) nach oben zeigt.
- Schließen Sie das casing sicher.
4.2. Programming the Remote Control (Auto-Learning)
The Marantec C231-868 remote control features an auto-learning programming method. This process typically involves transferring the code from an existing, working remote control or directly from the receiver unit. Refer to the specific instructions provided with your gate or garage door opener for detailed steps, as procedures can vary by system. A general auto-learning process often includes:
- Bereiten Sie den Empfänger vor: Activate the learning mode on your gate or garage door opener's receiver unit. This usually involves pressing a "Learn" or "Program" button on the receiver itself. Consult your opener's manual for exact instructions.
- Prepare the New Remote: Hold the new Marantec C231-868 remote control near the receiver.
- Sendecode: Press and hold the desired button on your new Marantec C231-868 remote control. The receiver should indicate successful programming (e.g., an LED flashes or changes color).
- Testbetrieb: Testen Sie nach der Programmierung die Fernbedienung, um sicherzustellen, dass sie das Tor oder die Garagentür korrekt bedient.

Image 2: The Marantec C231-868 remote control with its protective flap open, revealing the 12-button keypad for programming and operation.
5. Bedienung
Once programmed, operating the Marantec C231-868 remote control is straightforward:
- Ensure you are within the operational range of your gate or garage door opener (up to 10 meters).
- Press the programmed button on the remote control to activate the gate or garage door.
- The remote control features 12 buttons, allowing for control of multiple devices or functions if your system supports it.
- The remote control may have a protective flap. Open it to access the buttons.

Image 3: The Marantec C231-868 remote control, showing its compact design and a red indicator light, typically active during signal transmission.
6. Wartung
6.1. Reinigung
To clean the remote control, use a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the casing oder interne Komponenten.
6.2. Batteriewechsel
When the remote control's range decreases or it stops responding, the battery may need replacement. Follow the battery installation steps in Section 4.1 to replace the CR2032 battery.
7. Fehlerbehebung
If you experience issues with your Marantec C231-868 remote control, consider the following:
- Fernbedienung reagiert nicht:
- Überprüfen Sie die Batterie. Tauschen Sie sie gegebenenfalls aus.
- Ensure you are within the operational range (max 10 meters).
- Verify that the remote is correctly programmed to your receiver. Re-program if unsure.
- Reduzierte Reichweite:
- Ersetzen Sie die Batterie.
- Prüfen Sie, ob sich Hindernisse zwischen Fernbedienung und Empfänger befinden.
- Ensure there is no interference from other radio frequency devices.
- Gate/door not closing/opening fully: This is typically an issue with the gate/door opener system itself, not the remote control. Consult your opener's manual.
8. Spezifikationen
| Attribut | Detail |
|---|---|
| Modellname | C231-868 |
| Marke | Marantec |
| Frequenz | 868.3 MHz |
| Anzahl der Tasten | 12 |
| Programmiertyp | Automatisches Lernen |
| Akku-Typ | 1 x CR2032 Lithium (im Lieferumfang enthalten) |
| Maximale Reichweite | 10 Meter |
| Kompatible Geräte | Gate, Garage Door Opener |
| Gewicht | 258 Gramm |
| Ursprungsland | Deutschland |
9. Garantie und Support
The Marantec C231-868 remote control typically comes with a 1-year warranty. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact Marantec customer support. For technical assistance or further inquiries, please visit the official Marantec webBesuchen Sie die Website oder wenden Sie sich an deren autorisierte Servicezentren.