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SONOFF iFan03; no noticable difference between 1, 2 and 3

I have bought myself a "SONOFF iFan03: Wi-Fi Ceiling Fan And Light Controller". The most important to me are the adjustable fan speeds. But there is no noticable difference between 1, 2 and 3.


Has anyone experienced the same problem? And more important, is there a solution? Can anyone help?


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I received an answer von Sonoff:


"The iFan03 is supporting 70-480W."


My fans: 25W.


That's why there is no noticable differense between 1, 2 and 3.

 

There was no noticable difference in speed between 1, 2 and 3. The working range is 70W - 480W. My fan is 25W.


Now I have connected 4 fans, so 100W, and 1 is really slow, which is great. 3 Is much faster than 1. Which is great as well. The strange thing is that 2 is as fast, or even slightly faster, than 3. How is this possible?

I was told now that the former explanation wasn't correct. This should be correct:


"For our ifan03, it supports 50W-80W, Joy misunderstood it.

So as your fan, it is 25W, so it will affect the speed, it is normal

For the ifan03:
In speed 1:
​When powered, if ​120V/60H​z, the max current is 113mA
When powered, if 220V/50Hz, the max current is 173mA
In speed 2:
When powered, if 120V/60Hz, the max current is 249mA

When powered, if 220V/50Hz, the max current is 456mA"


WRONG


I tried it with 3 fans, so 75W, and the result was the same as with 4 fans, 100W.


Than I tried 2 fans, so 50W, and the result was the same as with 1 fan, 25W.


So the conclusion is that with 25W, 50W, 75W and 100W this iFan03 doesn't work as it is supposed to work. Too much money for what a simple Sonoff basic could do as well.

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