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E4406A Fan Control Board problem ...

Question asked by debugasm on Apr 4, 2014
Latest reply on Jul 12, 2017 by zmetzing

I have one problem on "E4406A Fan Control Board". The fan remain at full speed without ever slowing down, creating a continuous noise very annoying. 

I've tried using an other the control board (E4406-60044) of another instrument that works well and the defective one back to work.

The problem is on "A14 Fan Control Board E4406-60044".

You can have the wiring diagram to be able to repair it ?

Thanks very much.