1. Introduction
The Sygonix SY-6421352 RFID Code Keypad is a robust and secure access control solution designed for various environments, including corporate buildings, leisure facilities, and smart homes. It offers flexible access methods via PIN, RFID card, or a combination of both. With an IP66 weather-resistant die-cast zinc housing and illuminated keys, it ensures reliable operation even in challenging conditions.
2. Safety Information
- Read all instructions carefully before installation and use.
- Ensure proper power supply (12V DC/AC, 24V DC/AC) to avoid damage.
- Installation should be performed by qualified personnel to prevent electrical hazards.
- Do not expose the device to extreme temperatures or corrosive substances.
- Regularly check for signs of wear or damage. Disconnect power before any maintenance.
3. Package Contents
Verify that all items are present in the package:
- Sygonix SY-6421352 RFID Code Keypad
- Mounting sticker
- 4x Screws
- 4x Wall plugs
- Hexagonal head screw
- Key
- Wiring harness
- 2x Diodes
- 2x Piezo resistors
- User Manual

4. Specifications
| Feature | Specification |
|---|---|
| Access Methods | PIN / Card / PIN + Card |
| User Capacity | Up to 1010 users |
| Relay Outputs | 2 |
| RFID Frequency | EM125 kHz |
| Material | Die-cast Zinc |
| Ingress Protection (IP) Rating | IP66 (Weather-resistant) |
| Display Type | LED |
| Keypad | Illuminated |
| Voltage | 12V DC/AC, 24V DC/AC |
| Weight | 400 grams |
5. Installation
5.1 Unpacking and Component Overview
Carefully remove the keypad and all accessories from the packaging. Familiarize yourself with the keypad's front and back, noting the wiring harness connection point.


5.2 Wiring Diagram
The following video provides a detailed overview of the wiring connections for the access control system, including the keypad, lock, power supply, exit button, proximity card reader, and doorbell. Ensure all connections are secure and follow local electrical codes.
6. Operating Instructions
6.1 Unlocking the Door
The keypad supports various unlocking methods: card only, PIN only, or a combination of card and PIN. The following video illustrates these methods.
6.2 Adding User Settings
To grant access, you need to add user cards or PINs to the system. The video below explains the process for adding new users.
6.3 Deleting User Settings
If a user's access needs to be revoked, their card or PIN can be removed from the system. The following video details the steps for deleting user settings.
7. Maintenance
- Cleaning: Use a soft, damp cloth to clean the keypad surface. Avoid abrasive cleaners or solvents.
- Inspection: Periodically check the wiring for any signs of damage or loose connections.
- Firmware: Check the manufacturer's website for any available firmware updates.
- Environmental Protection: The IP66 rating ensures protection against dust and strong jets of water. However, avoid prolonged submersion or exposure to extreme weather conditions beyond its rating.
8. Troubleshooting
- Keypad unresponsive: Check power supply connections. Ensure the unit is receiving adequate power.
- Card not recognized: Ensure the RFID card is correctly presented to the reader. Verify the card is properly registered in the system.
- PIN not working: Double-check the entered PIN. Ensure the PIN is correctly registered and the user mode allows PIN access.
- Door not unlocking: Verify the lock mechanism is functioning correctly. Check wiring between the keypad, power supply, and lock. Ensure the correct access method (card/PIN) is being used.
- System beeps continuously: Refer to the specific beep codes in the full manual for diagnostic information. This may indicate an error or an open circuit.
9. Warranty and Support
This Sygonix SY-6421352 RFID Code Keypad comes with a 2-year warranty. For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the manufacturer's customer service. Keep your proof of purchase for warranty validation.





