Introduction
The FREDORCH F21S is an intelligent premium sex machine designed for versatile use. It features a durable metal construction, a quick-lock interface for various accessories, and multiple control options including wireless remote, mobile APP, and a wired controller. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure a safe and enjoyable experience.

Safety Precautions
- Ensure the machine is placed on a stable, flat surface before operation.
- Keep the machine away from water or other liquids to prevent electrical hazards.
- Do not attempt to disassemble or modify the machine, as this may void the warranty and pose safety risks.
- Use only the provided power adapter and accessories.
- Store the machine and accessories in a safe place, away from children and pets.
- If any unusual noise, smell, or malfunction occurs, immediately turn off the machine and unplug it.
Package Contents
Please check the package contents upon arrival to ensure all items are present and undamaged.
- FREDORCH F21S Main Unit
- Wireless Remote Control
- Wired Controller
- Power Adapter (100-230V universal)
- Silicone Dildo(s) (specific types may vary based on purchase)
- Various metal accessories and attachments (e.g., extension rods, clamps, suction cups)
- Tote Bag for storage and transport

Setup Instructions
- **Unpack the Unit:** Carefully remove all components from the packaging.
- **Assemble the Main Unit:**
- Extend the support legs of the main unit and ensure they are stable.
- The F21S is designed for adjustable angles and strokes, allowing for vertical use (0-90 degrees).

The machine can be adjusted to various angles for different positions. - **Attach Accessories:**
- The machine features a quick-lock interface. Select your desired silicone dildo or other compatible accessories.
- Insert the accessory into the quick-lock interface until it is securely fastened.
- Ensure all attachments are firmly in place before use.

Various accessories like dildos, clamps, and suction cups can be attached. - **Power Connection:**
- Connect the power adapter to the machine's power input.
- Plug the power adapter into a standard 100-230V universal power outlet. The machine operates on a 36V safety voltage.
Operating Instructions
The F21S offers multiple control methods:
1. Wireless Remote Control
The included wireless remote allows for ultra-long-distance control without needing direct line-of-sight. It features:
- **Speed Increase/Decrease:** Adjust the thrusting speed.
- **Start/Pause:** Toggle machine operation.
- **Shortened/Extension of Thrust Distance:** Modify the stroke length.
- **6 Different Modes:** Pre-programmed patterns for varied sensations.
- **Various Mode Combinations:** Additional buttons for combining modes.


2. Mobile APP Control
The F21S supports mobile APP control via WeChat applet Bluetooth link, compatible with both Android and Apple systems. The APP offers:
- **Remote Control Mode:** Mimics the physical remote control, often with higher sensitivity.
- **Programming Mode:** A user-friendly interface to create custom patterns.
- Set insertion and extraction distances (0-15 values, representing 0-15 cm).
- Adjust speed (0-15 values).
- Create up to 9 modes, which can be run individually or in a cycle.
- Set the number of runs for each mode (1-999 times).
- Save and load custom modes for future use.
- **Free Interface Mode:** Drag a point on the screen to control the machine's movement. Note: Due to hardware/software data transmission limitations, this mode may experience a large delay and is best used at low speeds.

3. Wired Controller
For direct control, connect the wired controller to the host unit. It allows real-time adjustment of mode, speed, and distance via rotary controls.

Maintenance and Care
- **Cleaning:** After each use, disconnect the power and carefully clean all accessories and the thrusting rod with warm water and a mild soap or toy cleaner. Ensure all parts are thoroughly dried before storage.
- **Storage:** Store the machine and its accessories in the provided tote bag in a cool, dry place, away from direct sunlight and extreme temperatures.
- **Lubrication:** Periodically check the moving parts for smooth operation. If necessary, apply a small amount of silicone-based lubricant to the thrusting rod for optimal performance.
- **Power Adapter:** Inspect the power adapter and cable regularly for any signs of damage. Do not use if damaged.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not turn on. | Power adapter not connected or faulty. | Ensure power adapter is securely plugged into the machine and a working power outlet. Check for damage to the cable. |
| Remote control not responding. | Batteries low or depleted. Interference. | Replace remote control batteries. Ensure no obstructions between remote and machine. Try using the mobile APP or wired controller. |
| Mobile APP control has significant delay. | Hardware/software data transmission limitations. | This is a known limitation in "Free Interface Mode" at higher speeds. Use this mode at low speeds or switch to programmed modes for precise control. |
| Attachments are loose or fall off. | Not properly secured in the quick-lock interface. | Ensure accessories are fully inserted and locked into the quick-lock mechanism. Check accessories for wear or damage. |
| Unusual noise during operation. | Lack of lubrication, foreign object, or internal issue. | Turn off and unplug the machine. Check for any obstructions. Apply silicone lubricant to the thrusting rod. If noise persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Model | F21S |
| Motor Type | 1.5 Nm Servo Motor |
| Thrusting Speed | 0-30 times per second |
| Stroke Length | 1-15 cm (adjustable) |
| Output Voltage | 36V (Safety Voltage) |
| Input Voltage | 100-230V (Universal) |
| Noise Level | 10-60 decibels |
| Material | Metal |
| Packing Size | 55 x 26 x 24 cm |
| Power Supply | Alternating Current |
| Function | Remote Control, APP Control, Wired Control |
| Type | Lay on (Adjustable for various positions) |

User Tips
- **Experiment with Angles:** The adjustable design allows for use in various positions (0-90 degrees vertically). Experiment to find what works best for you.
- **Custom Programming:** Utilize the mobile APP's programming mode to create personalized thrusting patterns. This allows for a highly customized experience beyond the pre-set modes.
- **Thrust Distance:** The machine offers an adjustable thrust distance of 1-15 cm. Adjust this setting to match your preference and the specific accessory being used.
- **Accessory Compatibility:** The quick-lock interface is designed to be compatible with a wide range of market metal and dildo accessories. Explore different attachments to enhance your experience.
Warranty and Support
For any issues or inquiries regarding your FREDORCH F21S sex machine, please contact the seller directly. The product is covered by a return and refund policy. Please refer to the seller's specific terms for details on warranty coverage and return procedures.
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