Question about Lasko 3440 Wind Tunnel Floor / Box Fan

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Problem with a Lasko 3440 Floor/Box Fan.

I have a problem with a Lasko 3440 floor/box fan. There has been some dust buildup and recently, the blade has stopped spinning both freely and under power. If anyone has any recommendations on how to fix this, that would be appreciated.

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  • wsumitsu03 Apr 03, 2009

    pinballer2 I also have the same problem with the same fan. Some nasty buildup! Hope we find a good answer



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Light is on ,but there is no movement from the fan. I think I need a fan motor.Lasko 20" fan motor part #3440.

Posted on Nov 03, 2010


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I just came from Trinidad and they use 110 volts and I'm now back in my island where they use 240 volts and not knowing too much about this stuff i plugged in my lasko fan using and adapter and the motor...

Unfortunately, probably not. The motor would only be designed to handle 110v, and it would burn up with 240v applied. You can take it apart and inspect it, hoping maybe for a bad switch, but chances are the motor is, as you say, blown. Sorry to have to relay the bad news.

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How To Clean

On the back of the fan there are 6 recessed phillips head screws around the circumfrence of the fan. You must use a longer screwdriver as the screws are set in a couple of inches.

The two screws on the bottom are a little harder to see.

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Jun 28, 2008 | Lasko 3440 Wind Tunnel Floor / Box Fan

1 Answer

Fan seems to go and stop and then go again is this normal o

I have one of these. It sounds like you have it on breeze (the 3 wavy lines on the remote) Push that button, then push the run button(first button on the right bottom) for it to run normally. The circle with the blades in the middle(left button on bottom row) will turn the fan from low (1) to (3) high. The icons are the same on the remote and the fan itself. Hope this helps.

Jun 14, 2008 | Lasko 3440 Wind Tunnel Floor / Box Fan

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