1. Introduction
Thank you for choosing the Dhiedas D300F Slim Sliding Glass Door Smart Lock. This manual provides detailed instructions for the installation, operation, and maintenance of your new smart lock. Please read this manual thoroughly before installation and retain it for future reference to ensure proper functionality and security.
2. Product Overview & Package Contents
The Dhiedas D300F is a versatile smart lock designed for sliding glass doors, offering multiple access methods for enhanced security and convenience.
Package Contents:
- Sliding Glass Door Smart Lock (Front and Rear Panels)
- Mortise Lock Body (2085 Slim Fit)
- 2 x Mechanical Keys
- 2 x RFID Cards
- Installation Hardware Kit
- User Operation & Installation Manual (This Document)

Image: Dhiedas D300F Smart Lock components, including the main lock unit, two mechanical keys, two RFID cards, and a smartphone screen showing the lock's mobile application interface.
3. Key Features
- 5-in-1 Unlocking Methods: Fingerprint, Remote APP, Keypad Passcodes, RFID Cards, and Mechanical Keys.
- Slim Design (2085 Mortise): Specifically designed for slim sliding, patio, and glass doors.
- Remote Unlock Functionality: Generate one-time PIN codes or remotely unlock via the app (requires visitor to press '9' + '#').
- Weather Resistance: IP65 waterproof rating, operational in temperatures from -13°F to 149°F.
- Long Battery Life: Up to 8 months of typical use on 4 AAA batteries (not included).
- Emergency Power & Backup: USB-C port for temporary emergency power and two mechanical backup keys.
- Enhanced Security: Automatic lockout after 5 invalid entries and built-in tamper alarm.

Image: Visual representation of the five distinct methods available to unlock the Dhiedas D300F smart lock: fingerprint recognition, RFID card access, numerical password entry, control via a mobile application, and traditional mechanical keys.
4. Installation Guide (Setup)
4.1 Pre-Installation Check: Door Compatibility
Before beginning installation, it is crucial to confirm your door's dimensions to ensure compatibility with the D300F smart lock. This lock is designed for a 2085 Slim Fit mortise.
- Sliding Door Thickness: Must be between 13/15" - 4-3/4" (22-120mm).
- Door Frame Width: Must be greater than 1.5" (38mm).
- Clearance: Ensure 4mm clearance from the frame to the lock edge and 20mm to the cylinder center.

Image: A detailed diagram illustrating the necessary door measurements for installing the Dhiedas D300F smart lock, highlighting door thickness, door frame width, and specific clearance requirements for a proper fit.

Image: Technical drawing displaying the precise dimensions of the 2085 mortise lock body, indicating its overall length, width, and the spacing of its double hooks for accurate installation.
4.2 General Installation Steps
- Prepare the Door: If replacing an existing lock, remove it. For new installations, mark and drill holes according to the provided template in the separate installation manual. Note: Extra drilling may be required depending on your door frame.
- Install Mortise Lock Body: Insert the 2085 mortise lock body into the door edge and secure it with screws.
- Install Front Panel: Connect the cable from the front panel to the rear panel. Position the front panel on the exterior side of the door, ensuring the spindle is correctly aligned.
- Install Rear Panel: Attach the rear panel to the interior side of the door, securing it with mounting screws.
- Insert Batteries: Open the battery cover on the rear panel and insert 4 AAA batteries (not included), observing polarity.
- Test Functionality: After installation, test all unlocking methods (fingerprint, keypad, RFID, key) to ensure proper operation.
Refer to the dedicated 'User Operation & Installation Manual' included in your package for detailed, step-by-step instructions and diagrams.
5. Operation Guide (Operating)
5.1 Unlocking Methods
- Fingerprint: Place your registered finger on the fingerprint sensor. The lock will unlock upon successful recognition.
- Keypad Passcode: Enter your registered passcode followed by '#'.
- RFID Card: Present a registered RFID card to the card reader area on the lock.
- Mobile App: Use the dedicated mobile application to unlock the door remotely or locally after pairing.
- Mechanical Key: In case of emergency or battery depletion, use the provided mechanical keys to unlock the door.
5.2 Remote One-Button Unlocking
This feature allows you to remotely unlock the door for visitors without a Wi-Fi gateway. When a visitor presses "9" + "#" on the lock's keypad, you will receive a notification on your paired mobile app. You can then remotely unlock the door with a single tap in the app.

Image: An illustration demonstrating the remote unlocking process, where a person uses their smartphone to grant access after a visitor initiates the request by pressing '9' and '#' on the smart lock's keypad.
5.3 Passage Mode
To enable Passage Mode, press "5" + "#" on the keypad. In this mode, the door will remain unlocked, allowing free entry and exit without requiring credentials. This is useful for periods of high traffic or when you want the door to remain open. To disable Passage Mode, repeat the action or use any other unlocking method.
6. Maintenance
6.1 Battery Replacement
The lock operates on 4 AAA batteries. When the battery level is low, the keypad will display a low-battery alert, and a notification will be sent to the mobile app. Replace all four batteries promptly to ensure continuous operation. Always use new, high-quality alkaline AAA batteries.

Image: An illustration detailing the power features of the smart lock, including the compartment for 4 AAA batteries, a visual indicator for low battery status, a USB-C port for emergency power, and the provision of backup mechanical keys.
6.2 Cleaning
Clean the lock's exterior surfaces with a soft, damp cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish and electronic components. Ensure the fingerprint sensor and keypad are free of dirt and debris for optimal performance.
7. Troubleshooting
- Lock Not Responding: Check battery levels. If batteries are depleted, use the USB-C emergency power port with a power bank or the mechanical keys.
- Invalid Entry Limit: If 5 invalid entry codes or RFID cards are used consecutively, the lock will shut down for 90 seconds as a security measure. Wait for the lockout period to expire before attempting to unlock again.
- Fingerprint Not Recognized: Ensure your finger is clean and dry. Re-register your fingerprint if recognition issues persist.
- App Connectivity Issues: Ensure Bluetooth is enabled on your smartphone and the lock is within range. Restart the app or re-pair the lock if necessary.
- Lock Mechanism Sticking: Check for any obstructions in the door frame or mortise. Ensure all installation screws are tightened correctly.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Dhiedas |
| Model Number | D300F |
| Material | Zinc |
| Color | Black |
| Product Dimensions | 12.5"L x 0.98"W |
| Lock Type | Biometric, Key Lock, Keypad Lock, Mortise Lock |
| Unlocking Methods | App, RFID, Fingerprint, Passcodes, Mechanical Keys |
| Power Source | 4 x 1.5V AAA Batteries (not included) |
| Battery Life | Up to 8 months (typical use) |
| Emergency Power | USB-C Port |
| Waterproof Rating | IP65 |
| Operating Temperature | -13°F to 149°F |
| User Capacity | 300 (9 administrators, 291 ordinary users) |
| Item Weight | 2.2 Pounds |
| Hand Orientation | Ambidextrous |
9. Warranty & Support
The Dhiedas D300F Smart Lock is covered by a comprehensive 12-month warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Additionally, Dhiedas provides free, lifetime customer service to assist with any questions or issues you may encounter.
For technical support, warranty claims, or general inquiries, please refer to the contact information provided on the Dhiedas official website or your purchase documentation.

Image: A graphic highlighting the 1-year warranty for the Dhiedas smart lock, displayed alongside the lock's various components, including mechanical keys and RFID cards.

