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Date: Mon, 12 Jul 2004 20:12:45 +0200
From: "willow" <4donatnospamoot.com>
Subject: Re: Ventilation fan - 92' 9000CS - doesn't work


I have replaced a control module in the fan/AC assembly and everything works again. It turns out that control module was faulty. Thanks for your help. Don Uzytkownik "KeithG" <noonenospamay.com> napisal w wiadomosci news:vfWdncrXYsHz5m_dRVn-jgnospamopenwest.com... > How, exactly, did you check the fan? If you put 12V on the input wires > and it spins, it could be that the output transistor is blown or that > the control unit is bad. My bets are on the transistor. > > http://www.quasimotors.com/transistor.htm > > If this is blown, there is probably a cause other than old age. If the > motor armature is worn, or its bearings, it will draw excessive current > and kill this transistor. If there is insulation or water on the fan > basket, it can also be a cause. If it is the original fan motor, it > probably needs replaced, anyway. If you go that far, replace the heater > core as well if it has not been replaced. The web page above has a good > writeup on how to get to it. > > KeithG >

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