1. Safety Information
Please read and understand this entire manual before attempting to assemble, operate, or install the product. Failure to do so could lead to electric shock, fire, or other injuries that could be fatal.
- Always turn off the power at the main circuit breaker before beginning installation.
- All electrical connections must be in accordance with local codes, ordinances, or national electrical codes. If you are unfamiliar with electrical wiring, consult a qualified electrician.
- Ensure the mounting location can support the weight of the fan.
- Do not bend the fan blades when installing, balancing, or cleaning the fan.
- Keep hands, clothing, and other objects away from the fan blades when the fan is in operation.
- This fan is designed for indoor use only.
- Ensure the fan is mounted at least 7 feet (2.1 meters) from the floor to the blades.
2. Product Overview
The Crazypai HYJ-WSS20-B1 is a 20-inch low profile ceiling fan with integrated dimmable LED lighting, designed for modern living spaces. It combines efficient air circulation with versatile lighting options, all controllable via a remote or a Bluetooth app.
Key Features:
- Dimmable LED Light: Seamless brightness adjustment from 5% to 100% and customizable color temperatures from warm white (3000K) to cool daylight (6000K), with a convenient light memory function.
- Dual Control: Operate the fan and light using the included remote control or a dedicated Bluetooth app.
- 6-Speed Reversible DC Motor: Offers six fan speeds for optimal airflow, from a gentle breeze to powerful circulation. The reversible motor supports both summer (downdraft) and winter (updraft) modes for year-round comfort.
- Low Noise Operation: Engineered with a pure copper motor and 7-blade design for quiet performance, ensuring a peaceful environment.
- Low Profile Flush Mount: Quick and straightforward setup, ideal for various spaces including living rooms, bedrooms, home offices, kitchens, and kids' rooms.
3. What's in the Box
Carefully unpack all components and ensure all items are present before beginning installation. If any parts are missing or damaged, do not attempt to install and contact customer service.
- Ceiling Fan Motor Housing
- Fan Blades (7-blade design)
- LED Light Ring Assembly
- Mounting Bracket
- Remote Control (with 2x AAA batteries)
- Wire Nuts / Connectors
- Screws and Anchors
- Instruction Manual
Image Description: All components of the Crazypai 20-inch ceiling fan laid out on a white table, including the motor housing, fan blades, LED light ring, remote control, and various hardware. This image provides a visual guide to ensure all parts are present.
4. Setup & Installation
Follow these steps for a safe and successful installation. It is recommended to watch the provided installation video for a visual guide.
4.1 Pre-Installation:
- Turn off Power: Before starting, ensure the power supply to the ceiling fan location is turned off at the circuit breaker.
- Prepare Mounting Area: Securely attach the mounting bracket to a ceiling junction box capable of supporting the fan's weight.
4.2 Assembly Steps:
- Connect LED Light Ring: Attach the LED light ring segments to form a complete circle around the motor housing. Ensure all connections are secure.
- Install Fan Blades: Carefully attach the fan blades to the motor assembly.
- Wiring: Connect the fan's electrical wires (live, neutral, ground) to the corresponding wires from the ceiling junction box using wire nuts.
- Mount Fan: Secure the assembled fan unit to the mounting bracket on the ceiling.
Video Description: This video demonstrates the step-by-step assembly and installation process of the Crazypai 20-inch ceiling fan. It covers connecting the LED light ring, attaching fan blades, wiring, and mounting the fan to the ceiling. (Source: Seller)

Image Description: A diagram illustrating the flush mount installation of the ceiling fan, showing how it attaches to the ceiling and its compact profile. This image highlights the ease of setup for various room types.
5. Operating Instructions
Your Crazypai ceiling fan can be operated using the included remote control or a dedicated Bluetooth smartphone app.
5.1 Remote Control Functions:
- Power ON/OFF: Turn the fan and light on or off.
- Fan Speed: Select from 6 different fan speeds (1-6) to adjust airflow.
- Light ON/OFF: Control the LED light independently.
- Brightness Adjustment: Increase or decrease light brightness (5% to 100%).
- Color Temperature: Change the light color from warm white (3000K) to cool daylight (6000K).
- Timer: Set a timer for 1, 2, or 3 hours for automatic shut-off.
- Reversible Motor (F/R): Switch between downdraft (summer) and updraft (winter) modes.
5.2 Bluetooth App Control:
Download the 'FanLamp Pro' app (refer to your manual for QR code or search in app store). The app offers all functions available on the remote control, plus additional smart features.
- Pairing: Within 5 seconds of turning the fan's power on, open the app and follow the pairing instructions. The fan light will blink to confirm pairing.
- Control: Use the app interface to adjust fan speed, light brightness, color temperature, set timers, and change fan direction.

Image Description: This image displays the remote control and a smartphone screen showing the Bluetooth app interface for controlling the Crazypai ceiling fan. It highlights the dual control options for convenience.
Video Description: A demonstration of the fan's operation, showcasing different fan speeds and light settings. The video highlights the quiet operation and effective airflow. (Source: Seller)

Image Description: This image illustrates the dimmable LED light feature, showing the fan light at 3000K Warm Light, 4500K Natural Light, and 6500K White Light settings, along with a brightness adjustment slider.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your ceiling fan.
- Cleaning: To clean the fan, wipe with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure power is off before cleaning.
- Blade Cleaning: The fan blades can be removed for thorough cleaning. Carefully detach them, clean, and reattach securely.
- Tighten Screws: Periodically check and tighten all screws on the fan and mounting bracket to ensure safe operation.
7. Troubleshooting
If you experience issues with your Crazypai ceiling fan, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not start | No power to the fan; Loose wire connections; Remote/App not paired. | Check circuit breaker; Ensure all wires are securely connected; Re-pair remote/app (see Operating Instructions). |
| Light does not work | Loose wire connections; LED driver issue. | Check light wiring connections; Contact customer support if LED driver is suspected. |
| Remote/App not responding | Batteries in remote are dead; Pairing lost; Obstruction between remote and fan. | Replace remote batteries; Re-pair remote/app; Ensure clear line of sight to fan. |
| Fan makes noise | Loose screws; Unbalanced blades. | Tighten all screws; Check for any obstructions; Ensure blades are properly installed. |
| Reversible function not working | Fan not completely stopped before changing direction. | Ensure the fan is completely stopped before pressing the F/R button on the remote or app. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Crazypai |
| Model Number | HYJ-WSS20-B1 |
| Color | Black |
| Electric Fan Design | Ceiling Fan |
| Power Source | Corded Electric |
| Style | Modern |
| Room Type | Bedroom |
| Special Features | Dimmable LED Light, App & Remote Control, Reversible DC Motor, Low Noise Operation with 6 Speeds |
| Mounting Type | Ceiling Mount |
| Material | Plastic |
| Number of Speeds | 6 |
| Noise Level | 45 Decibels |
| Wattage | 100 watts |
| Indoor Outdoor Usage | Indoor |
| Control Method | App, Remote |
9. Warranty & Support
The Crazypai HYJ-WSS20-B1 ceiling fan comes with a one-year warranty from the date of purchase.
For technical support, warranty claims, or missing parts, please contact Crazypai customer service through your original purchase platform or refer to the contact information provided in your product packaging.
Manufacturer: Crazypai