Lasko 4000 Oscillating Fan operating manual


Lasko 4000 Oscillating Fan operating manual


Read and Save These Instructions
Lasko U12100 Pivoting Blower Fan  Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself and others by observing all safety information. failure to comply with instructions could result in personal injury and/or property damage! This Fan is for residential use only. It is not intended to be used in commercial, industrial or agricultural settings Parts Included


When using electrical appliances, these instructions and warnings should always be followed to reduce the risk of fire, electrical shock and injury to persons.Read all instructions before using this Fan.

DO NOT use this Fan to ventilate areas where flammable liquids or vapors are used, stored or are present, including paints,gasoline, varnishes, floor refinishing products or solvents. ALWAYS read and follow all warnings and instructions on the containers for these products!ALWAYS be sure the plug fits tightly into the outlet. When plugs fit loosely into outlets, they may slip partially out of the outlet and create a poor connection. This may cause outlets to overheat and create a potential fire hazard. Outlets in this condition should be replaced by a qualified electrician.ALWAYS unplug the power cord when servicing, cleaning or moving the Fan. DO NOT use the ON/OFF switch as the sole means of disconnecting power.




  1. Carefully remove the Fan from the plastic bag and the carton.
  2. Place the Fan on a firm and level surface

Oscillation Function:

This function will work in any Fan speed. Pressing the Oscillation Button  will allow the Fan to circulate air
more effectively by moving the Fan from side to side in a sweeping motion. To stop the oscillation, press the Oscillation Button once more. The Oscillation Button will light when this function is in use.

NEVER leave children unattended when the Fan is on or plugged in. ALWAYS turn off and unplug the Fan when not in use.BE CERTAIN that the power source for the Fan is 120V AC. DO NOT plug the Fan into 240V or other power source. The power cord is equipped with a three-prong ground ed plug that must be inserted into a matching receptacle. Under no circumstances should the ground prong be cut off the plug nor should two prong adapters be used. Where a two-prong wall receptacle is en countered, it must be re placed with a properly ground ed three-prong receptacle in stalled in accordance with the National Electrical Code (NEC) and all applicable local codes and ordinances. This work must be done by a qualified electrician,using copper wires only.


Turn the Knob to desired Speed

  • 3 – High Speed
  • 2 – Medium Speed
  • 1 – Low Speed
  • 0 – Off


  • AVOID the use of extension cords, power strips, power taps, outlet style air fresheners or other cord connected device, as these devices may overheat and cause a fire hazard.
  •  DO NOT route power cord under rugs, carpets, runners or furniture. This may damage the cord or cause it to overheat creating a fire hazard.
  • ALWAYS place the Fan on a stable, flat, level surface while in operation to prevent the Fan from overturning.
  • NEVER insert or allow fingers or objects to enter grill openings while Fan is in operation or injury and/or damage to the Fan may occur.
  • DO NOT block, cover or obstruct air flow to or from the Fan while in operation.
  • DO NOT use this Fan outdoors or near water or wet locations such as a bath tub, pool or hot tub. Use of this Fan in a wet location may create a shock hazard.
  •  DO NOT run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not be tripped over.
  • NEVER use a single extension cord to operate more than one Fan or other electrical device.
  • DO NOT use this Fan if it has been damaged or is not functioning properly.
  • THIS FAN DOES NOT MEET THE REQUIREMENTS OF NEC ARTICLE 547-7 (2008). This Fan is not suitable for use in agricultural facilities including areas where livestock, poultry or other animals are confined. Please refer to National Electric Code (NEC) Article 547-7 (2008), or applicable state or local codes or standards relating to electrical requirements for agricultural buildings.
    • THIS FAN DOES NOT MEET THE REQUIREMENTS OF NEC ARTICLE 500 (2008). This Fan is not suitable for use in hazardous locations.Please refer to National Electric Code (NEC) Article 500 or applicable state or local codes or standards relating to electrical requirements for hazardous locations.

NOTICE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. The user is cautioned that changes and modifications made to the equipment without the approval of manufacturer could void the user’s authority to operate this equipment.

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Have a Question? Need a Part?
Please Do Not Return Product to Store! Contact Lasko Customer Service: (800) 233-0268 Monday-Friday 8AM – 5PM EST.(Valid in the USA, its Territories, and CANADA Only)


Lasko 4000 Oscillating Fan operating manual


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