Question about GE ZV950SDSS Kitchen Hood

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Sudden death of the range hood

Range hood suddenly ceased operation of all functions (fan, light, etc.). Checked the fuses, AC supply, filter microswitch, connections generally & looked for smoked parts on the circuit board. All is visually OK & transformer gets warm but not hot when AC is supplied. Does anyone have a schematic or other troubleshooting advice? Thanks, Wade

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  • Wade Poteet Jun 11, 2007

    The main problem here is that there is no "mini manual" available and no wiring schematic [the only sticker on the hood shows the primary 120VAC connection]. I have checked the isolation transformer as suggested, and it produces 12VAC under load at its secondary with 120VAC applied to the primary as it should. Just replacing major parts is a problem; for example, the Triac which sells for $63 at "discount" appliance shops is available at most electronic suppliers for $7.50 (Allied, DigiKey, etc.), making the replacement of other major components rather expensive. All front panel switches show proper continuity, so it is rapidly narrowing down to the circuit board. I have checked discreet components on the circuit board [transistors,. MOV's, capacitors, etc], but do not have the facilities to test the microcontroller. The 5V supply to the IC's is working OK when AC is supplied to the board.

    I could buy a replacement circuit board for about $175, but have no guarantee that this is the problem. Can anyone help at this level?

    Thanks,

    Wado

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Hi guys...I stumbled upon this post, and continued reading, trying to glean as much as possible, which, due to your expertise was quite easy. It appears that this thread continues elsewhere, so I don't know if you ever sourced a schema or miniman. So i'll just leave behind a couple of cut and paste's of the applicable information, followed by the corresponding URL as payment for the free lesson in methodology.....good luck professors ================================================ If you are in need of a replacement wiring diagram, one can be purchased through the GE Answer Center by dialing 1-800-626-2000. The diagram may be faxed or mailed (or both). The replacement fee is $9.00. Please call the GE Answer Center at 1-800-626-2000 with your complete model number. We are available to take your order Monday 6 a.m. ET through Saturday midnight ET, Closed Sunday and accept Visa, MasterCard, Discover, and American Express. http://www.geappliances.com/search/fast/infobase/10010055.htm ================================================= Wiring Diagram - Location Mini-Manuals are located on all GE appliances. The most common locations are as follows: Vent Hoods: Midline (JV5 and JV6), the diagrams are inside the blower chassis. The filters need to be removed and the diagrams are usually on the sides or in the back. For higher end Mongram hoods, the diagrams are included in the mini manual usually located in the blower chassis or underneath the duct covers. http://www.geappliances.com/search/fast/infobase/10001188.htm ==================================================

Posted on Aug 04, 2007

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Did you measure the continuity of the primary and secondaries of the transformer which drops the line voltage to supply the front panel? Any chance you could scan and post the "mini-manual" that comes inside the unit? I repair just about any kind of control board / system out there, in case you might be interested. My listing is here on FixYa: http://tinyurl.com/yzjozk

Posted on Jun 08, 2007

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