1. Introducció
This manual provides detailed instructions for the installation, programming, operation, and maintenance of the UHPPOTE HBK-A02 125KHz RFID Standalone Door Access Control Keypad. This device is designed to provide secure access control for various applications, supporting up to 1000 card users.

Figure 1: UHPPOTE HBK-A02 Keypad Front View
2. Característiques clau
- High quality and high security, sensitively and response quickly.
- Full programming from the keypad, support add/delete cards, set password, etc.
- Door bell button support external doorbell.
- Uses high-performance MCU for stable performance and low-power circuit for extended service life.
- Functions as a standalone keypad, no computer connection required.
- Suitable for factories, houses, residential quarters, offices, and mechanical/electrical control equipment.
3. Especificacions
| Característica | Detall |
|---|---|
| Número de model | HBK-A02 |
| Fabricant | UHPPOTE |
| Entrada Voltage | 12 Volts DC |
| Dimensions del producte | 4.72 x 3.07 x 0.87 polzades |
| Pes de l'article | 3.21 unces (91 grams) |
| Freqüència RFID | 125 KHz |
| Capacitat d'usuari | Up to 1000 Card Users |
| Color | Negre |
| UPC | 701385688196 |
4. Instal·lació
Proper installation is crucial for the optimal performance and security of your access control keypad. Ensure all power is disconnected before beginning installation.
4.1 Muntatge del teclat numèric
- Choose a suitable mounting location near the door, ensuring it is protected from direct weather exposure if installed outdoors.
- Use the provided mounting screws to secure the back plate of the keypad to the wall.
- Route the necessary wiring through the wall or conduit to the keypad's connection point.
- Attach the keypad front panel to the back plate after wiring is complete.

Figure 2: Keypad Mounted on a Door Frame
4.2 Connexions de cablejat
The HBK-A02 keypad requires a 12V DC power supply. Carefully follow the wiring diagrams below. Incorrect wiring can damage the device or connected components.

Figura 3: posterior View of Keypad with Wiring Harness

Figure 4: Close-up of Wiring Terminal Block
4.2.1 Common Power Supply Diagram
This diagram illustrates connections when using a single power supply for both the keypad and the electric lock.

Figure 5: Common Power Supply Wiring Diagram
4.2.2 Special Power Supply Diagram
This diagram shows connections when using a dedicated access control power supply unit, which often includes battery backup and advanced control features.

Figure 6: Special Power Supply Wiring Diagram
5. Programació
The keypad is programmed directly using the numeric buttons. The default master code is 123456.
5.1 Entrar al mode de programació
- Premeu *.
- Enter the 6-digit Master Code (default: 123456).
- Premeu #.
- The red LED will flash, indicating programming mode.
5.2 Exiting Programming Mode
Premeu * per sortir del mode de programació en qualsevol moment.
5.3 Canvi del codi mestre
- Entra al mode de programació.
- Premeu 0.
- Enter the new 6-digit Master Code.
- Enter the new 6-digit Master Code again to confirm.
- Premeu #.
- Sortir del mode de programació.
5.4 Adding User Cards/Codes
The keypad supports up to 1000 user cards or codes.
- Entra al mode de programació.
- Premeu 1.
- For RFID cards: Present the card to the keypad. The keypad will beep to confirm. Repeat for additional cards.
- For User Codes: Enter a 4-digit to 6-digit user code, then press #. Enter the code again and press # per confirmar.
- Sortir del mode de programació.
5.5 Deleting User Cards/Codes
- Entra al mode de programació.
- Premeu 2.
- For RFID cards: Present the card to the keypad. The keypad will beep to confirm deletion. Repeat for additional cards.
- For User Codes: Enter the 4-digit to 6-digit user code to delete, then press #.
- Sortir del mode de programació.
5.6 Setting Relay Unlock Time
This sets how long the door remains unlocked after a valid access. The default is 5 seconds.
- Entra al mode de programació.
- Premeu 3.
- Enter a 2-digit number for the unlock time in seconds (e.g., 05 durant 5 segons, 00 durant 0.2 segons).
- Premeu #.
- Sortir del mode de programació.
6. Funcionament
6.1 Gaining Access
- Using an RFID Card: Present a registered RFID card to the keypad. The keypad will beep, and the door will unlock for the set duration.
- Ús d'un codi d'usuari: Enter your registered user code (4-6 digits) followed by #. The keypad will beep, and the door will unlock for the set duration.
6.2 Doorbell Function
Premeu el botó Campana button on the keypad to activate an external doorbell (if connected).
7. Manteniment
- Neteja: Wipe the keypad surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Protecció del medi ambient: Ensure the keypad is protected from extreme temperatures, direct sunlight, and moisture to prolong its lifespan.
- Proves periòdiques: Periodically test the keypad's functionality, including card/code access and the exit button, to ensure proper operation.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El teclat numèric no s'encén. | No hi ha alimentació o cablejat incorrecte. | Check 12V DC power supply connection and wiring according to diagrams. |
| Door does not unlock with valid card/code. | Card/code not registered, incorrect code, or lock wiring issue. | Verify card/code registration. Check wiring to the electric lock (NO/NC/COM). Ensure relay unlock time is set correctly. |
| Keypad beeps continuously or acts erratically. | Interference or internal fault. | Disconnect power for 30 seconds and reconnect. If problem persists, contact support. |
| Cannot enter programming mode. | Incorrect Master Code or not following sequence. | Ensure you are using the correct 6-digit Master Code (default 123456) and the sequence * + Codi Mestre + #. |
9. Informació de seguretat
- Desconnecteu sempre l'alimentació abans de realitzar qualsevol cablejat o manteniment.
- Ensure all wiring connections are secure and insulated to prevent short circuits.
- No exposeu el dispositiu a l'aigua ni a una humitat excessiva.
- This device is intended for low-voltage applications (12V DC). Do not connect to higher voltage fonts.
- Si no teniu cap dubte sobre el cablejat elèctric, la instal·lació l'ha de dur a terme personal qualificat.





