The tower fan unit has ceased to function, no longer powering on. Motor burnout is unlikely, as there are no burn scents or motor heat scents present. Currently seeking a solution.
Change the IC chip located behind the fourth push button on the pcb in the top of the fan . My IC chip has part number SC8206A4k printed on it. I dont know how to cross reference that number to a more popular make.
Don't rule out bad motor yet, nor anything with a wire. Many possible problems: 1.) motor badly manufactured with wire ready to disconnect 2.) motor "fused" or has a wire that has melted...this can happen quickly with minimal smell 3.) some other wire inside unit has become disconnected
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1.) Possible, but unlikely, as the motor casing is all of a conducting metal material, which would ground out, and thus create an electrical sensation to the touch when activated while open.
2:) Minimal is still enough to catch, especially with a nose like mine. And besides, the motor is cold, telling me that the motor isnt even recieving power while it's plugged in.
3:) Most likely possibility. PCB in the top of the fan seems to be recieving power, by its capacitors heating up a little. However, pushing the power switch does not activate the fan, nor does using the remote to do so.
I've narrowed a possibility down to the fuse on the PCB, which, sadly, I cannot tell if it's blown or not, due to the size. I will update this as I can find any evidence that it's still alive.
I have the same problem. The fan ran fine for probably 8 months or so, then the other night it started making a squealing noise as though it needed some lubrication. I opened the fan the used some canned air to blow out all of the dust. The squealing remained for a bit then the fan just stopped working altogether. No warm or burning smell whatsoever. I took the thing completely apart right down to the motor itself and found out the PCB is still receiving power and components on it are warm to the touch. All of the wires still appear to be connected and intact. The fuse does not appear to be blown upon close inspection but on the other hand it is rather small. I've tried various fixes but the power just won't make it down to the motor. I even tried pushing and holding the buttons at the same time in various sequences until a constant beeping started. I thought there might have been a way to reset the motor. I too am guessing it may be the fuse because I even tried turning on the oscillating feature which should still move the fan back and forth since it is a separate motor. The fuse does not look like it can be replaced easily and is soldered right onto the board. At this point I don't know what else to try and will probably just go out and buy another one. What do you expect for $30 and made in China?!
I have the same problem. Opened it up. The fan controller IC (SC8206) is the likely problem. Pin 5 (DIP-18) is shorted to -5V (see data sheet). This pin is part of both the LED and the switch circuits so both don't work. The IC is partially working because if you hold down any switch for 7 seconds it beeps... except for the SLEEP switch (in my case) which is tied to pin 5. I tested the motor and it works. I can't find a source for the IC. I might call the manufacturer (LASKO).
We live where there is a lot of lightning.
well i have similar problems..there is a burining smell, the lights all come on and it still oscillates but it will not heat up or turn on the fan. I am not experienced in motors or taking electrial components apart so will there be any eay way for me to find out what needs to be relpaced.
Remote and operational buttons function but fan does not operate.
No smell as a burnt out motor
Ive cleaned fan with small compressor but nothing happeniing
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