1. Introduction and Product Overview
The InvoSpa Shiatsu Foot Massager Machine with Heat (Model FMSS-531) is designed to provide a comprehensive foot massage experience. It combines shiatsu kneading, rolling massage, and air compression with an optional infrared heat function to help relieve muscle tension and improve circulation in the feet.
- Infrared Heat Function: Aids in improving blood circulation and relieving muscle tension. Note that it may take several sessions to reach optimal heat.
- Adjustable Intensity: Offers three different pressure levels for customizable massage intensity, from relaxing to deep tissue.
- Shiatsu Massage & Air Compression: Features two independent foot chambers providing a combination of shiatsu kneading, rolling massage, and air pressure.
- Bi-Directional Massaging Modes: Allows changing the kneading direction with a press of a button. Includes an extra mode for air compression only.
- Washable Feet Pockets: Equipped with removable, zippered foot covers for easy cleaning and hygiene.
2. Safety Information
Please read all safety instructions carefully before using the InvoSpa Foot Massager. Failure to follow these instructions may result in injury or damage to the device.
- Caution: Do not use on broken skin or with lotions/oils.
- Keep away from water.
- Do not leave unattended while in use.
- Allow the machine to cool before storing.
- Consult a doctor before use if you have any medical conditions or are pregnant.
- Keep out of reach of children.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
3. Product Components and Controls
Familiarize yourself with the various parts and control buttons of your InvoSpa Foot Massager.

Figure 3.1: Top view of the InvoSpa Foot Massager with control panel.

Figure 3.2: Detailed view of the control panel buttons.
- ON/OFF Button: Powers the device on or off.
- Direction Button: Changes the direction of the shiatsu kneading massage.
- Heating Button: Activates or deactivates the infrared heat function.
- Air Pressure Button: Adjusts the intensity of the air compression massage (3 levels).
- Time Button: Sets the massage duration (e.g., 10, 20, 30 minutes).
4. Setup
Before first use, ensure the device is placed on a flat, stable surface.
- Unpack the InvoSpa Foot Massager and all its components.
- Place the massager on a level floor in front of a comfortable chair.
- Ensure the power cord is easily accessible to an electrical outlet.
- Plug the power cord into a suitable electrical outlet.
5. Operating Instructions
Follow these steps to operate your InvoSpa Foot Massager:
- Sit comfortably in a chair and place your feet into the foot chambers of the massager.
- Press the ON/OFF button to start the massage. The default mode will begin.
- To change the massage direction, press the Direction button.
- To activate or deactivate the heat function, press the Heating button.
- Adjust the air compression intensity by pressing the Air Pressure button. Cycle through the available levels (low, medium, high).
- Set your desired massage duration by pressing the Time button.
- To stop the massage at any time, press the ON/OFF button.

Figure 5.1: Proper usage of the InvoSpa Foot Massager.
6. Maintenance
Regular maintenance ensures the longevity and hygiene of your foot massager.
- Cleaning Feet Pockets: The foot covers are removable via a zipper. Unzip and remove the covers for cleaning. They can be hand-washed or machine-washed on a gentle cycle with mild detergent. Air dry completely before reattaching.

Figure 6.1: Removing washable foot sleeves for cleaning.
- Cleaning the Device: Wipe the exterior of the massager with a soft, damp cloth. Do not use abrasive cleaners or immerse the device in water.
- Storage: Store the device in a cool, dry place away from direct sunlight when not in use.
7. Troubleshooting
If you encounter any issues with your InvoSpa Foot Massager, please refer to the following common troubleshooting tips:
- Device not turning on: Ensure the power cord is securely plugged into both the device and a working electrical outlet. Check if the outlet is functional by plugging in another appliance.
- No heat: The infrared heat function may take several minutes to warm up. Ensure the heating function is activated via the control panel.
- Weak massage/air pressure: Adjust the intensity settings using the respective buttons on the control panel. Ensure your feet are properly positioned within the foot chambers.
- Unusual noises: If the device makes unusual noises, immediately turn it off and unplug it. Contact customer support for assistance.
If the problem persists after attempting these steps, please contact InvoSpa customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | InvoSpa |
| Model Number | FMSS-531 |
| Product Dimensions | 16.14 x 9.84 x 19.49 inches |
| Item Weight | 7.72 Pounds (3.5 Kilograms) |
| Material | Wood (internal components) |
| Power Source | Corded Electric |
| Use For | Foot |
9. Warranty and Support
For warranty information, product support, or to report any issues, please contact InvoSpa customer service. Refer to the product packaging or the official InvoSpa website for the most up-to-date contact details.




