Introduction
This manual provides detailed instructions for the safe and effective use, setup, operation, and maintenance of your FREDORCH F21S Sex Machine. Please read this manual thoroughly before operating the device and retain it for future reference.

Safety Information
Please observe the following safety precautions to prevent injury or damage to the device:
- Ensure the device is placed on a stable, flat surface before operation.
- Keep the device away from water or other liquids.
- Do not attempt to disassemble or modify the device.
- Use only the provided power adapter and accessories.
- Unplug the device from the power outlet when not in use or before cleaning.
- Keep out of reach of children.
- The device operates on 36V safety voltage.
Package Contents
Verify that all components are present in your package:
- FREDORCH F21S Main Unit
- Power Adapter (100-230V universal input)
- Wireless Remote Control
- Wired Remote Control
- Extension Rods (single and double configurations)
- Various Vac-U-Lock compatible accessories (e.g., vibrator clamps, suction cups, male masturbation cups)
- User Manual (this document)

Setup Instructions
- Unpack the Device: Carefully remove all components from the packaging. The packaging is designed in multiple layers for discretion and protection.
- Assemble the Main Unit:
- Place the main body of the F21S machine on a stable surface.
- Attach the support legs to the main unit. The machine has a width of 40cm and a main body height of 10cm, with legs providing a 25cm height.

Figure 3: F21S machine dimensions. - Attach Extension Rods:
- The device features a double track system. You can use a single extension rod (approx. 60cm) or combine two for an approximate length of 85cm.
- Securely fasten the desired extension rod(s) to the main unit. The adjustable rod length is up to 35cm.
- Connect Accessories:
- Choose your preferred Vac-U-Lock compatible accessory (e.g., dildo, vibrator, suction cup) and attach it to the end of the extension rod. Ensure it is firmly secured.

Figure 4: Assembled machine with wired remote and attachment. - Power Connection:
- Connect the power adapter to the device and then plug it into a universal 100-230V power outlet.
Operating Instructions
The F21S machine offers multiple control methods: Wireless Remote, Wired Remote, and APP Control.
Wireless Remote Control
The wireless remote allows for convenient operation from a distance. Refer to the diagram below for button functions:

- ON/OFF: Power on/off the device.
- Speed Increase (+): Increases the thrust speed.
- Speed Reduction (-): Decreases the thrust speed.
- Shortened Drawing Distance (距-): Reduces the thrust distance.
- Extension of Thrust Distance (距+): Increases the thrust distance.
- Mode Buttons (模1-模6): Selects one of six different pre-programmed modes.
- Combination Buttons (2+6, 3+5, 4+6): Activates various combinations of modes.
Wired Remote Control
The wired remote control connects directly to the main unit via the DB9 connector port. This provides a reliable, direct control method.

APP Control
The F21S machine supports APP control via WiFi, offering advanced customization and control options. Download the official FREDORCH app from your device's app store. Follow the in-app instructions to connect your device.

Maintenance
- Cleaning: Always unplug the device before cleaning. Use a soft, damp cloth to wipe down the main unit and extension rods. Clean accessories thoroughly with warm water and mild soap after each use. Ensure all parts are completely dry before storage.
- Lubrication: Periodically check the moving parts for smooth operation. If necessary, apply a small amount of silicone-based lubricant to the extension rods to maintain optimal performance.
- Storage: Store the device and its accessories in a clean, dry place, away from direct sunlight and extreme temperatures. The multi-layered packaging is suitable for discreet storage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Not plugged in, power adapter faulty, power outlet issue. | Ensure power adapter is securely connected and plugged into a working outlet. Try a different outlet. |
| Remote control not responding. | Batteries low/dead (wireless), remote not paired, wired remote not connected properly. | Replace batteries in wireless remote. Ensure wired remote is firmly connected to the DB9 port. Refer to APP for pairing instructions if applicable. |
| Movement is not smooth or noisy. | Lack of lubrication, debris on extension rods. | Clean extension rods and apply silicone-based lubricant. Ensure no foreign objects are obstructing movement. |
| APP control not connecting. | WiFi not enabled, incorrect pairing, app outdated. | Ensure your device's WiFi is on and connected to the same network as the F21S. Follow in-app pairing instructions. Update the app to the latest version. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | F21S |
| Brand Name | FREDORCH |
| Motor Model | 1.5 Nm servo motor |
| Pulling Distance & Speed | 0-30 times per second, 1-15cm adjustable |
| Output Voltage | 36V safety voltage |
| Input Voltage | 100-230V universal |
| Power Mode | Plug-in type |
| Control Method | Software control (Wireless Remote, Wired Remote, APP) |
| Noise Level | 10-60 decibels |
| Product Weight | 9 KG |
| Product Material | Metal |
| Packing Size | 55 x 26 x 24 cm |
| Extension Rod Length (Single) | Approx. 60 cm |
| Extension Rod Length (Double) | Approx. 85 cm |
| Certification | CE, FCC |
User Tips
- Experiment with different accessories and modes to find your preferred settings.
- The adjustable thrust distance and speed allow for a wide range of experiences; start with lower settings and gradually increase.
- For optimal performance and longevity, ensure regular cleaning and lubrication of moving parts.
- Utilize the APP control for a more personalized experience, as it often provides advanced customization options beyond the physical remotes.
Frequently Asked Questions (FAQ)
- Q: Is the device waterproof?
- A: No, the main unit is not waterproof. Avoid contact with water or other liquids. Accessories can be cleaned with water and mild soap.
- Q: Can I use third-party accessories?
- A: The device uses a Vac-U-Lock system, which is compatible with many accessories. Ensure any third-party accessories are designed for this system and are securely attached.
- Q: What is the noise level during operation?
- A: The noise level ranges from 10-60 decibels, depending on the speed and mode of operation.
Warranty and Support
For warranty information, technical support, or service inquiries, please contact the manufacturer or your point of purchase. Keep your proof of purchase for warranty claims.
Manufacturer: FREDORCH