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ApplianceGuru.com: The Samurai Appliance Repair Forums > Do-It-Yourself Appliance Repair Help > The Kitchen Appliance Repair Forum > kitchenaid cooktop KFGU766VSS01 |
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| Moderated by: BrntToast, RegUS_PatOff, appl.tech.29501 | Search Our Sites for More Info! |
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| kitchenaid cooktop KFGU766VSS01 | Rate Topic |
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| Posted: Tue Oct 19th, 2010 10:20 pm |
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1st Post |
Mufasa
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Greeting customer called to have this new cooktop hooked up, said he got a great deal on it. Once connected, it didn't work. I opened it up and found the tech sheet (woo hoo) and went to work. No spark so I checked the power, check the connections make sure no loose wire connectors. then move on to the transformer witch didn't check out (OK found the problem) order a new transformer and installed it. same problem, now I didn't check the one before I installed it (figured it is good). so back I go to my supplier and brought with me the tech sheet to double check the values on the transformer. they ordered me an other one. now here is my question, is it possible to have blown the trans during the install? does any one know if there is a recall on this cooktop? (2 new trans and both bad)
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| Posted: Tue Oct 19th, 2010 11:34 pm |
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2nd Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology 
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Can you post or fax the tech sheet? At the least the schematic portion of it. My fax is 866-315-4504. Were you getting 120vac to the spark module?
____________________ To ask a question, use our new forums==> http://appliantology.org 365-Day No-Hassle Return Policy on all parts purchased through this site, even electrical parts that have been installed! |
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| Posted: Wed Oct 20th, 2010 12:43 am |
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3rd Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology 
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Mufasa wrote: ... is it possible to have blown the trans during the install? ... if it was mistakenly connected to 240v ... KFGU766VSS01 KFGU766VSS00 Tech Sheets
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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| Posted: Wed Oct 20th, 2010 12:48 am |
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4th Post |
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Samurai Appliance Repair Man Fermented Grand Master of Appliantology
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Awesome, domo Reg! Mufasa, looking at your schematic, you don't have a separate spark module-- it's built in to the control board. What measurements did you do on the transformer? Did you do any voltage checks? Also, did you check for 120vac between pins 9 and 10 of the P2 connector?
____________________ To ask a question, use our new forums==> http://appliantology.org 365-Day No-Hassle Return Policy on all parts purchased through this site, even electrical parts that have been installed! |
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| Posted: Wed Oct 20th, 2010 01:08 am |
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5th Post |
Mufasa
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did ohm check on transformer ref tech sheet page 2 and table on page 4 Rp primary coil 60+-6 ohm (good) Rs 1-2 secondary coil 4.7+-.5 ohm (good) Rs 2-3 secondary coil 4.7+-.5 ohm (good) Rs 4-5 secondary coil 306+-30 ohm ( BAD this one is open) I checked Voltage at transformer 120v will check pin 9 and 10 at P2 connector and report back Demo
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| Posted: Wed Oct 20th, 2010 01:22 am |
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6th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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Mufasa wrote: Rs 4-5 secondary coil 306+-30 ohm ( BAD this one is open) digital OHM meter, 1k scale ? (or 2k scale is OK)
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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| Posted: Thu Oct 21st, 2010 12:59 am |
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7th Post |
Mufasa
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using a Fluke digital multimeter, showing an open circut at these points should have new transformer in next two days.
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| Posted: Thu Oct 21st, 2010 01:39 am |
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8th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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RegUS_PatOff wrote: 1k scale ? (or 2k scale is OK)
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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| Posted: Sat Oct 23rd, 2010 04:42 pm |
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9th Post |
Mufasa
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Reg, meter is auto ranging( Fluke series 77) OK got the new transformer and this time i made sure to check it. all points checked according to the table on the tech sheet. installed it and connected all wires. plugged it in and no workie!@#$>. the hot surface alarm would come and off in 5 sec intervals. so I take it back apart and check the transformer, the 4 to 5 points are now open ( this was at 306 ohm before the install). don't know what to do next, one thing for sure is something is causing the transformer to go bad? any thoughts?
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| Posted: Sat Oct 23rd, 2010 05:13 pm |
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10th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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OK ... check for a short across where 4 & 5 connects to the Control Board (won't matter if Transformer is connected or not)
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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| Posted: Tue Oct 26th, 2010 10:12 pm |
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11th Post |
Mufasa
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Reg, I checked between these points .7 ohm reading. is this normal? also checked for continuity in all wires. what next? 
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| Posted: Wed Oct 27th, 2010 12:46 am |
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12th Post |
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kdog Fellow, Academy of Sublime Masters of Appliantology 
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Could it be the hot and neutral are reversed in the power outlet ?
____________________ Can Ye spare some 'cutter me brutha ? http://web.me.com/zenzoidman/kdog/ |
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| Posted: Wed Oct 27th, 2010 01:13 am |
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13th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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Mufasa wrote: Reg, I checked between these points .7 ohm reading. is this normal? tech sheet says it should be 360 OHMs
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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| Posted: Wed Oct 27th, 2010 01:36 am |
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14th Post |
Mufasa
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Reg, the 306 +- 30 ohm on the tech sheet is for the transformer. I didn't see anything indicating what the values on the re-igniter valve control should be. K-dog, you may be on to something, it would explain why the transformer is being blown if the wires are crossed. will check tomorrow. domo
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| Posted: Wed Oct 27th, 2010 02:59 am |
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15th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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kdog wrote: Could it be the hot and neutral are reversed in the power outlet ? shouldn't matter .. Mufasa wrote: Reg, you are correct ... ,  although 0.7 OHMs on the Control Board doesn't look good .. almost a short (what does the OHM meter read with the probes shorted?) IF the voltage was 1v, that would draw more than 1 Amp IF the voltage was 2v, it would draw more than 2 Amps etc .. looks like a bad Controller
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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| Posted: Thu Oct 28th, 2010 09:07 pm |
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16th Post |
Mufasa
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Reg, the meter reads 0 ohm when the probe touch each other, is this the same as shorting the probes? why is the "hot surface" temp alarm keep going off, on the drawing it show it open? don't know what the quote below means? IF the voltage was 1v, that would draw more than 1 Amp IF the voltage was 2v, it would draw more than 2 Amps
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| Posted: Thu Oct 28th, 2010 09:34 pm |
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17th Post |
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RegUS_PatOff Fellow, Academy of Sublime Masters of Appliantology
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1) yes 2) I don't know, yet .. 3) .7 OHMS would seem to indicate something is wrong with the Controller
____________________ The new repair forums==> http://appliantology.org RegUS_PatOff http://www.youtube.com/watch?v=oPAY2LsKVEw my video production: “Easter Seals Walk With Me” http://www.youtube.com/watch?v=-EBiLyYXMiA |
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