1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your COMMAX Smart Digital Door Lock CDL-400M. Please read this manual thoroughly before using the product to ensure proper function and safety.
The CDL-400M is a sophisticated digital door lock designed for enhanced security and convenience, featuring multiple access methods and robust construction.
2. Caratteristiche del prodotto
- 2-Way Access Methods: Supports both RF Card and PIN number for unlocking.
- Costruzione durevole: Features a robust body made from metal materials for enhanced durability.
- Bloccaggio automatico: Includes automatic lock, re-lock, and double lock functions for added security.
- Secure PIN Entry: Allows the use of dummy numbers with your PIN to prevent exposure.
- Multi-Registration: Supports registration of multiple PIN numbers and electronic keys.
- Controllo del volume: Multiple volume control options, including a mute function.
- Potenza di emergenza: Equipped with an emergency power terminal for a 9V square battery in case of main battery depletion.
- Sicurezza avanzata: Features anti-high voltage and anti-hacking systems.
- Compatibilità del telecomando: Supports home networking with a remote controller (for CDL-400M models).
- Design elegante: Modern edge design for aesthetic appeal.
3. Specifiche del prodotto
| Caratteristica | Dettaglio |
|---|---|
| Marca | COMMAX |
| Modello | CDL-400M |
| Tipo di blocco | Serratura elettronica |
| Materiale | Metallo |
| Stile | Anti-fireproof type |
| Forma | Rettangolare |
| Metodi di accesso | PIN Number (4-12 digits, max 4 PINs), RF Card (max 30 keys), Emergency Key |
| Dimensioni (L x A x P) | Dimensioni: 80 mm x 230 mm x 63 mm |
4. Configurazione e installazione
Professional installation is recommended for optimal performance and security. Ensure all components are present before beginning installation.
4.1 Contenuto della confezione
Verifica che il pacco contenga i seguenti articoli:
- Main body (front and rear assemblies)
- Serratura da infilare
- Strike plate and strike box
- RF Cards (quantity may vary)
- Viti e accessori per l'installazione
- Manuale d'uso
4.2 Installazione della batteria
- Open the battery cover on the indoor unit.
- Insert the specified number of AA alkaline batteries, ensuring correct polarity.
- Chiudere bene il coperchio della batteria.
4.3 Initial PIN Code Registration
- Press the registration button on the indoor unit.
- Inserisci il codice PIN desiderato, composto da 4-12 cifre, sulla tastiera.
- Press the '*' button to confirm.
- Repeat the PIN code entry and '*' button press to finalize registration.
4.4 RF Card Registration
- Premere il pulsante di registrazione.
- Place your registered RF card on the card reader area until a confirmation sound is heard.
- Repeat for all cards you wish to register (up to 30 cards).
- Press the registration button again to exit registration mode.

Figura 4.1: Fronte view of the COMMAX CDL-400M digital door lock, displaying the numeric keypad and the integrated handle. The 'CARD' icon is visible below the keypad, indicating the RF card reader area.

Figure 4.2: An angled perspective of the COMMAX CDL-400M digital door lock, highlighting its slim and modern profile Quando viewed di lato.
5. Istruzioni per l'uso
5.1 Unlocking from Outside
Using PIN Number:
- Tocca la tastiera per attivarla.
- Enter your registered PIN number.
- Press the '*' button. The lock will unlock.
Using RF Card:
- Place your registered RF card on the card reader area.
- The lock will unlock automatically.
5.2 Locking from Outside
The lock will automatically engage after the door is closed. You can also manually lock by pressing the '#' button on the keypad.
5.3 Unlocking/Locking from Inside
Simply push down or pull up the handle to unlock or lock the door from the inside.

Figure 5.1: A promotional image illustrating the various access methods of the COMMAX CDL-400M, including card key and PIN number, along with an icon for optional video phone interlock.

Figure 5.2: The COMMAX CDL-400M digital door lock as installed on a door, demonstrating its integrated appearance and how it fits into a typical door setup.
6. Manutenzione
Regular maintenance ensures the longevity and proper functioning of your digital door lock.
- Pulizia: Wipe the lock surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Sostituzione della batteria: Replace all batteries when the low battery indicator appears or when the lock starts making low battery warning sounds. Do not mix old and new batteries.
- Controllo della maniglia: Periodically check the handle for any looseness and tighten screws if necessary.
7. Risoluzione Dei Problemi
If you encounter issues with your COMMAX CDL-400M, refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il blocco non risponde. | Batterie scariche. | Replace all batteries. Use a 9V square battery for emergency power if needed. |
| Il codice PIN non funziona. | Incorrect PIN entered; PIN not registered. | Ensure correct PIN. Re-register PIN if necessary. |
| RF card not working. | Carta non registrata; Carta danneggiata. | Re-register card. Try another registered card. |
| Lock emette suoni insoliti. | Mechanical obstruction; Loose components. | Check for obstructions around the latch/bolt. Contact customer support if sounds persist. |
8. Informazioni sulla sicurezza
- Do not expose the lock to direct water or excessive humidity.
- Avoid strong impacts or dropping the lock.
- Non tentare di smontare o riparare la serratura da soli. Contattare personale di assistenza qualificato.
- Tenere le batterie fuori dalla portata dei bambini.
- In case of fire, the anti-fireproof design provides enhanced resistance, but always prioritize personal safety.
9. Garanzia e supporto
For warranty information or technical support, please contact your local COMMAX distributor or the point of purchase. Keep your purchase receipt as proof of purchase.
For further assistance, visit the official COMMAX websito o fare riferimento alle informazioni di contatto fornite sulla confezione del prodotto.





