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Posts posted by Izzul
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Behind each of the four fans you could put a thermistor and wire them all in series. Feed them through a current limiting resistor from a voltage source. Power will be dissipated in them and they would normally get warm, but the fans will keep them cool.
Monitor the voltage across the thermisters. Failure of one or more fans will result in a change in that voltage.
That's pretty good idea. Doable I guess.
But actually I'm looking for internal detection solution.
Is it possible ? -
Thank you for your good idea!
But in this case, I don't think that method is effective because there are multiple fan running simultaneously and the external air also may cause error signal.
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Hi guys,
I would like to ask your help.
I would like to make an electronic circuit where it can detect the fan failure and indicates it with the light.
The specs are as follow:
-240VAC cooling fan (4 unit)
-1 tower light (green & red)
I want to make the light indicate green when all the fan are working but the red when 1 or more of the fan fault.
Thank you guys for your cooperation. I really appreciate it.
Fan Failure Alarm
in Electronic Projects Design/Ideas
Posted
How can I measure the current through the fan motors ? Can you give me the concept or something ?
And how can I make them indicate the faulty fan where there are more than 1 fan ?