Does your fan speed seem to cycle at times, even when set to one speed?
375795
No. I have never noticed that and I run it continuously. I actually have two of them that are always on and I have never noticed that in either one.
375796
I've never experienced fluctuations in fan speed, mine blows a constant stream of air according to each setting. I suggest if your unit is functioning otherwise you contact the manufacturer.
375797
I've had this model for a few months and mine does not cycle. It has a constant fan noise. I did have to modify how the filters sit into the frame of the unit because they did not fit tightly and this allowed air to fflow around the filter and cut down on the removing of particles. All I did was add 2" packaging tape around the sides where there were gaps.
375798
No - it cycles at the same time - however ensure that you are replacing the black filters every 3 months that go in front of the regular filters as that will make it run smoothly.
375799
So far I have not notice that issue. I have two of these machines running 10 hours a day and they are working better than the last ones I have that I had.
375800
I have two of these and i run them on the highest speed and there isn't a detectable variation in speed
375801
Just bought mine today and turned it on 4 - experiencing a similar problem: Every several minutes the fan will decrease for a second and then go back to normal. It's almost like a power issue, but I don't notice lights dimming or anything else other than the fan noise for that second...
709274
the fan just work under high performance (when a large amount of power is required).Don't worry about it..
1937060
Yes. There is a setting for the constant run CFM 0-130(I think) AND a setting for the boost running time when the sensor detects motion. EXAMPLE: If you have it set to a constant run of 0(zero) CFM AND have the boost time set to 10 mins, the fan will run at maximum CFM for 10 mins when motion is sensed then turn off . if you have the constant CFM set to 50 and boost time of 10 mins, the fan will ramp up to max for 10 mins with motion then go back to 50 CFM.
1591319
The fan only switches mode after a quick on/off. I usually leave it in the auto mode, first turned on. It will speed-up as the humidity rises and later slow down or even shutoff if the humidity gets low. If you want it to run full speed just give it a quick on/off.
450917
Verify the fan direction, u can see it by the indicating arows at the side of the coolers, both should have the same direction. Verify if u are using the low noise adapter it slows down the speed of the fan.
466340
I don't think it was designed like a laptop where there is no fan speed at all until the processor reaches a certain temperature. Mine runs all the time as well, but quiet with no load, louder with a load. The fan speed change is immediate too which shows to me it is load driven, not temperature driven.
1881606
Honestly, it's been so long that I just plain don't remember. But I'm thinking it's only one. It has worked well, the only thing being that the fan is extraordinarily noisy under high CPU loads.
1831339
No, I don't have that problem. I never noticed a fan running until I read this email. Now, I can hear a slight hum occasionally. But nothing you should ever notice. Yours is not right.
1458892
Yes. There is an on/off switch on the back of the fan, at the top, with 3 speed settings as well.
2181446
Yes, exact same problem on two fans. Had first one die first week, then a second one after a couple months. If you reverse the direction, the fans turn off for a few seconds, then reverse. If you adjust the speed without waiting for the fans to kick back on, something goes haywire, and it fries the fuse immediately. If you replace the fuse, the fan continues to run, won't turn off or respond to controls, and the fuse blows again. Their warranty service cannot replace the fan, because "They don't have stock"... "Call back in 4 months". If you have one of these fans, give the fan time between changing direction and changing speed. Both fans died in exactly the same way. The fan is great until it fries. Yes, exact same problem on two fans. Had first one die first week, then a second one after a couple months. If you reverse the direction, the fans turn off for a few seconds, then reverse. If you adjust the speed without waiting for the fans to kick back on, something goes haywire, and it fries the fuse immediately. If you replace the fuse, the fan continues to run, won't turn off or respond to controls, and the fuse blows again. Their warranty service cannot replace the fan, because "They don't have stock"... "Call back in 4 months". If you have one of these fans, give... » Read More Yes, exact same problem on two fans. Had first one die first week, then a second one after a couple months. If you reverse the direction, the fans turn off for a few seconds, then reverse. If you adjust the speed without waiting for the fans to kick back on, something goes haywire, and it fries the fuse immediately. If you replace the fuse, the fan continues to run, won't turn off or respond to controls, and the fuse blows again. Their warranty service cannot replace the fan, because "They don't have stock"... "Call back in 4 months". If you have one of these fans, give the fan time between changing direction and changing speed. Both fans died in exactly the same way. The fan is great until it fries. « Show Less
181393
yeah, that would be extremely annoying :) I have mine running a PC case fan that blows on it while its on, then the built-in fan never runs, and PC fan is MUCHO quieter.
1782667
I had that problem intermittently too. I search forums and that along with the fan speed only working at high or low velocity were indicators of a bad resistor.
466338
I think the auto thermostat just speeds up the fan when under load. I wouldn't worry about it.
32881
I may have a variable speed fan, but I only run it at one speed, with a regular wall switch to an outlet.
184435
Mine did that initially. Up and down between 49 and 53 and the fan kicking in every couple of seconds. I raised the temperature to 55 and it stopped doing that.
2218764
I don't know the answer to that, it has several settings, I pick the one best for me. We do like the fans. Glad we got them.
1137285
Yes mine does the same thing. My guess is that my fan wore out because the first few days it was loud and annoying, but eventually stopped. Only then did my computer begin to overheat and shut off when I play certain video games for as little time as 45 minutes.