Informació important de seguretat
Please read and save these important safety instructions before using this fan. Failure to follow these instructions could result in fire, electric shock, or injury to persons.
- Aquest aparell té un endoll polaritzat (una fulla és més ampla que l'altra). Per reduir el risc de descàrrega elèctrica, aquest endoll només està pensat per encaixar en una presa polaritzada d'una manera. Si l'endoll no encaixa completament a la presa de corrent, inverteix l'endoll. Si encara no encaixa, poseu-vos en contacte amb un electricista qualificat. No intenteu derrotar aquesta característica de seguretat.
- Desendolleu sempre el ventilador abans de moure'l, netejar-lo o fer-ne el manteniment.
- No feu funcionar cap ventilador amb un cable o un endoll danyats. Descarteu el ventilador o torneu-lo a un centre de servei autoritzat per a l'examen i/o reparació.
- No passeu el cable sota la catifa. No cobriu el cable amb catifes, corredors o revestiments similars. No passeu el cable sota mobles o electrodomèstics. Col·loqueu el cable lluny de la zona de trànsit i on no s'ensopegui.
- No introduïu ni permeteu que els dits o objectes estranys entrin a cap obertura de ventilació o d'escapament, ja que això podria provocar una descàrrega elèctrica o un incendi, o bé fer malbé el ventilador.
- No bloquegeu les entrades d’aire ni els gasos d’escapament de cap manera.
- Do not use outdoors. This fan is intended for indoor use only.
- This product is equipped with an ETL listed safety plug and features a patented fused safety plug for added protection.
- ADVERTIMENT: Aquest producte us pot exposar a substàncies químiques, com ara el plom, que l'estat de Califòrnia sap que causa càncer i defectes de naixement o altres danys reproductius. Per a més informació aneu a www.P65Warnings.ca.gov.
Producte acabatview i Característiques
The Lasko 20 Inch 3-Speed Energy Efficient Box Fan (Model 3723) is designed to provide efficient air circulation and cooling for various indoor spaces. Its robust design and innovative features ensure optimal performance and user convenience.

Figura 1: Frontal view of the Lasko 20 Inch Box Fan, showcasing its white grille and five-blade design.
- 20-Inch Fan Blade: Provides substantial air movement for effective cooling.
- Wind Ring® System: Engineered to deliver up to 30% more air velocity by focusing air movement through an exclusive grill design.
- Three Quiet Speeds: Offers versatile airflow options from a gentle breeze to powerful circulation, with reduced noise levels.
- Wide-Body Design: Ensures enhanced stability, preventing accidental tipping.
- Nansa de transport integrada: Facilitates easy portability and repositioning of the fan.
- Durable Steel Body: Constructed for longevity and resilience.
- Top Mounted Controls: Conveniently located controls for easy access and operation.
- Totalment muntat: Ready to use right out of the box with minimal setup required.

Figura 2: Angle view of the Lasko 20 Inch Box Fan, highlighting the top-mounted control knob and integrated carry handle.
Configuració
The Lasko 20 Inch Box Fan comes fully assembled, requiring minimal setup before use.
- Desembalatge: Carefully remove the fan from its packaging. Retain packaging for future storage or transport if needed.
- Attaching Stabilizer Feet (Optional): The fan includes two plastic stabilizer feet. These can be snapped onto the bottom rear of the fan to enhance stability, especially when placed on uneven surfaces or in high-traffic areas. Align the feet with the slots and push firmly until they click into place.
- Col·locació: Position the fan on a firm, level surface in the desired room. This fan is suitable for indoor use in areas such as bedrooms and living rooms. Ensure the fan is placed away from curtains or other objects that could obstruct airflow or be drawn into the fan blades.
- Connexió d'alimentació: Plug the fan's polarized plug into a standard 120V AC wall outlet. Ensure the plug is fully inserted.
Instruccions de funcionament
The Lasko 20 Inch Box Fan features simple, top-mounted controls for easy operation.
- Encès/apagat: Locate the control knob on the top of the fan. Turn the knob clockwise from the "OFF" position to select a speed setting.
- Selecting Fan Speed:
- Gireu el comandament a "I" per a baixa velocitat.
- Gireu el comandament a "II" per a velocitat mitjana.
- Gireu el comandament a "III" per a Alta Velocitat.
- Apagar: To turn off the fan, rotate the control knob counter-clockwise back to the "OFF" position. For extended periods of non-use, it is recommended to unplug the fan from the power outlet.
Manteniment
Regular cleaning and maintenance will help ensure the longevity and optimal performance of your Lasko Box Fan.
- Abans de la neteja: Always unplug the fan from the electrical outlet before cleaning or performing any maintenance.
- Neteja exterior: Use a soft cloth moistened with a mild soap solution to wipe the exterior surfaces of the fan. Do not use gasoline, benzene, thinner, harsh cleaners, or other solvents as these could damage the fan's finish.
- Neteja de reixes: Use a vacuum cleaner with a brush attachment to remove dust and lint from the front and rear grilles. This helps maintain efficient airflow.
- Neteja interior: The fan blades are not designed to be removed for cleaning. Do not attempt to open the fan housing.
- Emmagatzematge: When storing the fan, keep it in a cool, dry place. It is recommended to store it in its original carton or cover it to protect it from dust.
Resolució de problemes
If your Lasko Box Fan is not operating as expected, refer to the following common issues and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| El ventilador no funciona. | No hi ha corrent al ventilador. Fused safety plug tripped. | Ensure the fan is securely plugged into a working electrical outlet. Check the fuse in the plug. If the fuse is blown, replace it with a 5 Amp, 125 Volt fuse. If the problem persists, contact customer support. |
| Flux d'aire reduït o soroll inusual. | Acumulació de pols a les reixes o a les pales. Obstrucció a prop del ventilador. | Unplug the fan and clean the grilles and blades as described in the Maintenance section. Ensure there are no objects blocking the air intake or exhaust. |
| Burning plastic/electrical smell. | Motor overheating or internal issue. | Immediately unplug the fan. Do not continue to operate. Contact Lasko customer support for assistance. |
If the problem persists after attempting these solutions, please contact Lasko customer support.
Especificacions
| Característica | Detall |
|---|---|
| Marca | Plegar |
| Nom del model | Lasko - 20" Premium Box Fan, 3-Speed (3723) |
| Número de model | 3723 |
| Dimensions del producte | 4.7 "P x 21.2" W x 22" H |
| Pes de l'article | 5 lliures (aprox. 2.27 kg) |
| Font d'alimentació | CA (amb cable elèctric) |
| Voltage | 120 Volts |
| Wattage | 112 watts |
| Nivell de soroll | 65 dB |
| Nombre de fulles | 5 |
| Longitud de la fulla | 20 polzades |
| Mètode de control | Touch (Rotary Knob) |
| Nombre de nivells de potència | 3 |
| Ús interior/exterior | Interior |
| Característica especial | Portàtil, Eficient energèticament |
| Usos recomanats | Circulació d'aire, refrigeració |
Garantia i Suport
This Lasko product comes with a manufacturer's warranty. For specific details regarding the warranty period and coverage, please refer to the documentation included with your purchase or visit the official Lasko weblloc.
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact Lasko customer support:
- Lasko Official Weblloc: www.lasko.com
- Lasko Store on Amazon: Visit the Lasko Store
- Refer to your product packaging or the Lasko website for phone numbers or email contact information.
Si us plau, tingueu a mà el número de model (3723) i la data de compra quan us poseu en contacte amb el servei d'assistència.





