1. Product Overview
The TOPZEE Electric Blanket LY31F1 is a versatile heated blanket designed for both covering and laying on. It features a soft flannel material, advanced heating technology, and multiple safety functions to provide warmth and comfort.

Figure 1: TOPZEE Electric Blanket LY31F1
Key Features:
- Dual-Use Design: Can be used as both a throw blanket and an underblanket.
- Premium Material: Made with high-density flannel and long pile for exceptional softness and warmth.
- 6 Temperature Settings: Adjustable from 36°C to 47°C for personalized comfort.
- 10-Hour Timer: Automatic shut-off function for safety and energy saving.
- Sleep Mode: Maintains a comfortable 38°C for 6 hours during sleep.
- Mite Control Function: Heats to 47°C for 2 hours to eliminate mites.
- Electromagnetic Wave Reduction: Features a unique heating wire design to minimize electromagnetic field emissions.
- Machine Washable: Easy to clean for continuous hygiene.
- Overheat Protection: Built-in safety device automatically cuts power if temperature rises too high.
- Energy Efficient: Low power consumption, approximately 2.7 yen per hour on low setting.
2. Safety Instructions
Please read and understand all safety instructions before using the electric blanket to prevent injury or damage.
- Controller Placement: Do not cover the controller with bedding or clothing during use, as it may warm up. This is normal operation, but obstructing heat dissipation can be a safety hazard.
- Overheat Protection: The product has a built-in overheat protection device that automatically cuts off power if the temperature becomes excessively high.
- Power Source: This product is designed for use with household AC power outlets. Use with portable power sources is not recommended. Portable power sources may not provide stable waveforms or voltage like household power, which can cause the product's control system to malfunction or display errors.
- Children and Sensitive Individuals: The electromagnetic wave reduction feature makes this blanket safe for long-term use by the elderly, children, individuals with sensitive skin, or pregnant women.
- Storage: When not in use, store the blanket properly to avoid damage to the heating elements.
3. Setup
Follow these steps to set up your TOPZEE Electric Blanket:
- Unpack: Carefully remove the electric blanket and controller from its packaging.
- Inspect: Check the blanket and controller for any signs of damage. Do not use if damaged.
- Connect Controller: Locate the connector on the blanket and firmly plug in the controller. Ensure a secure connection.
- Placement: Lay the blanket flat on your bed or sofa. Ensure there are no folds or creases that could concentrate heat.
- Power Connection: Plug the controller's power cord into a standard household AC outlet.

Figure 2: Connecting the controller to the blanket.
4. Operating Instructions
Power On/Off:
- Press the power button (電源) on the controller to turn the blanket on or off.
Temperature Adjustment:
- Press the temperature button (温度) to cycle through 6 temperature settings (36°C to 47°C). The current setting will be displayed on the controller screen.
Timer Setting:
- Press the timer button (時間) to set the automatic shut-off timer from 1 to 10 hours. The blanket will automatically turn off after the set time.
Special Modes:
- Sleep Mode: Activates a comfortable 38°C temperature for 6 hours. This mode is designed to provide optimal warmth throughout your sleep without overheating.
- Mite Control Mode: Heats the blanket to 47°C for 2 hours. To use this function, place the blanket between your futon and set to 'Strong' for approximately 2 hours. This high temperature effectively eliminates mites.
Video 1: Demonstrates the TOPZEE Electric Blanket's features, including temperature and timer settings, and the soft texture.
Video 2: Shows the electric blanket in use, highlighting its dual-use functionality, temperature control, and mite control feature.
5. Maintenance
Proper maintenance ensures the longevity and hygiene of your electric blanket.
- Before Washing: Always disconnect and remove the controller from the blanket before washing.
- Machine Washable: The blanket is machine washable. For best results, place the blanket in a laundry net to protect the fabric and heating elements.
- Drying: Air dry the blanket completely before reconnecting the controller and using it again. Do not tumble dry on high heat or iron.
- Storage: When not in use, fold the blanket neatly and store it in a dry place.

Figure 3: Detach the controller before washing the blanket.

Figure 4: The electric blanket is machine washable for easy cleaning.
6. Troubleshooting
If you encounter any issues with your electric blanket, please refer to the following common problems and solutions:
- Controller feels warm: It is normal for the controller to warm up during prolonged use. Ensure it is not covered by bedding or clothing to allow for proper heat dissipation.
- Blanket not heating or displaying an error:
- Check if the power cord is securely plugged into a household AC outlet.
- Ensure the controller is firmly connected to the blanket.
- If using a portable power source, switch to a standard household AC outlet. Portable power sources may cause malfunctions due to unstable power supply.
- If the issue persists, the overheat protection may have been activated. Unplug the blanket, wait a few minutes, and then plug it back in.
- Blanket not warm enough:
- Increase the temperature setting using the controller.
- Ensure the blanket is laid flat and not bunched up, which can affect heat distribution.
If these steps do not resolve the problem, please contact customer support.
7. Specifications
| Feature | Description |
|---|---|
| Model Number | LY31F1 |
| Brand | Topzee |
| Dimensions (L x W) | 188 cm x 130 cm |
| Material | Flannel |
| Color | Khaki (as per product title, though images show other colors) |
| Temperature Settings | 6 levels (36°C - 47°C) |
| Timer Settings | 1-10 hours (automatic shut-off) |
| Special Modes | Sleep Mode (38°C for 6 hours), Mite Control Mode (47°C for 2 hours) |
| Safety Features | Overheat protection, Electromagnetic wave reduction |
| Cleaning | Machine washable (controller detachable) |
| Power Consumption | Approx. 2.7 yen/hour (on low setting, calculated at 27 yen/kWh) |
8. Warranty and Support
Your TOPZEE Electric Blanket LY31F1 comes with a 1-year warranty from the date of purchase.
If you have any questions, concerns, or require assistance with your product, please do not hesitate to contact our customer support. Please have your purchase details and model number ready when contacting support.