Introduction
Thank you for purchasing the Lasko U35120 Oscillating High Velocity Fan. This manual provides important instructions for assembly, operation, maintenance, and troubleshooting to ensure safe and efficient use of your fan. Please read it thoroughly before operating the product and retain it for future reference.
Important Safety Instructions
When using electrical appliances, basic precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons, including the following:
- Read all instructions before using this fan.
- Always unplug the fan before moving, cleaning, or servicing.
- Do not use the fan in wet or damp locations.
- Keep the fan away from heat sources and open flames.
- Do not insert fingers or foreign objects into any openings on the fan.
- Ensure the fan is placed on a stable, flat surface to prevent tipping.
- Do not operate any fan with a damaged cord or plug.
Package Contents
- Lasko U35120 High Velocity Tower Fan Unit
- Remote Control
- User Manual
Setup and Assembly
- Unpacking: Carefully remove the fan and all packaging materials from the box. Retain packaging for storage if desired.
- Placement: Place the fan on a firm, level surface. Ensure there is adequate space around the fan for proper airflow and oscillation.
- Power Connection: Plug the fan's power cord into a standard 120V AC wall outlet. Ensure the outlet is easily accessible.
- Remote Control Batteries: Open the battery compartment on the remote control and insert the required batteries (typically AAA, not always included). Observe correct polarity.

Image 1: Lasko U35120 High Velocity Tower Fan. This image shows the fan's sleek tower design, front grille, and control panel.
Operating Instructions
The Lasko U35120 fan can be operated using the control panel on the unit or the included remote control.
Control Panel Functions:
- Power Button (●): Press to turn the fan ON or OFF.
- Speed Button (▲/▼): Press to cycle through fan speeds (e.g., Low, Medium, High). The current speed setting will be indicated on the display.
- Oscillation Button (⇄): Press to activate or deactivate the oscillation function, which allows the fan to sweep air from side to side.
- Timer Button (⏱): Press to set the fan to operate for a specific duration before automatically turning off.
Remote Control Functions:
The remote control duplicates all functions available on the fan's control panel, allowing convenient operation from a distance.
- Power: Turns the fan ON/OFF.
- Speed: Adjusts fan speed.
- Oscillation: Controls the oscillation feature.
- Timer: Sets the auto-off timer.
Maintenance
Regular cleaning and proper storage will help maintain the performance and longevity of your fan.
Cleaning:
- Unplug: Always unplug the fan from the power outlet before cleaning.
- Exterior: Use a soft, damp cloth to wipe the exterior surfaces of the fan. Do not use harsh chemicals or abrasive cleaners.
- Grilles: Use a vacuum cleaner with a brush attachment to gently remove dust and debris from the air intake and exhaust grilles. Do not attempt to open the fan housing.
- Drying: Ensure the fan is completely dry before plugging it back in and operating.
Storage:
When not in use, store the fan in its original box or cover it to protect it from dust. Store in a cool, dry place.
Troubleshooting
If your fan is not operating correctly, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | No power to the unit; Power cord not fully plugged in; Circuit breaker tripped. | Ensure the fan is plugged into a live outlet. Check household circuit breakers. |
| Weak airflow. | Fan speed set too low; Air intake/exhaust grilles are blocked. | Increase fan speed. Clean grilles to remove dust and obstructions. |
| Oscillation not working. | Oscillation function not activated; Obstruction preventing movement. | Press the oscillation button. Ensure no objects are blocking the fan's rotation. |
| Remote control not working. | Dead batteries; Obstruction between remote and fan; Remote not pointed correctly. | Replace remote control batteries. Ensure a clear line of sight to the fan's receiver. |
If the problem persists after trying these solutions, please contact customer support.
Specifications
- Model: U35120
- Brand: Lasko
- Type: Oscillating High Velocity Tower Fan
- Power Source: Corded Electric
- Control Method: Remote, On-unit controls
- Product Dimensions: 9.6"D x 12.4"W x 36"H
- Item Weight: Approximately 13.2 pounds (6 Kilograms)
- Special Features: High Velocity, Oscillating
- Room Type: Bedroom, Living Room
Warranty and Support
Lasko products are manufactured under strict quality standards. For specific warranty information, please refer to the warranty card included with your purchase or visit the official Lasko website. For technical support, replacement parts, or general inquiries, please contact Lasko customer service.
Note: This product may be a renewed item. Warranty terms for renewed products may differ from new products. Please consult your retailer or the renewed product's specific documentation for details.





