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repair

  1. Batteries and Charging
    I had a Brusa NLG511 come in for repair. Symptoms: Would not charge, power LED just blinked. A quick bench test showed it had a short on the +15V supply... I could not located which part was shorted, so I hooked up the external supply and set it to +15V... And slowly turned up the current...
  2. Batteries and Charging
    I had a Brusa NLG513 Charger come in for repair with the following error message: ShortCirc PwrSt: ERR So obviously it has a short circuit in the power stage. ;) So I took it apart and checked all the IGBTs and diodes in the power stage... All tested good... I then contacted Brusa to see...
  3. Controllers
    My Netgain WarP-Drive controller is always heating up to a point where it slows down even in winter after a 10 minutes slow ride. The Interface Module that displays all the settings and such, just flashes, nothing readable, so I can't see what the controller temp thinks it is at. I've tried...
  4. Controllers
    All the repair pics: http://www.wolftronix.com/amc325_1493_2/index.htm The video playlist: http://www.youtube.com/playlist?list=PLQdu_G7xyFISR4r6oFFY9HTKPVMPjFQMV This could be part of the problem... ;)
  5. Classifieds
    Do you have some old non functional Solectria or Brusa parts sitting around the basement or garage? I will buy them, and/or repair them if needed. List of parts repaired: http://www.wolftronix.com/EV.htm Thanks, Wolf
  6. Technical Discussion
    Someone on a machinists' forum had a Hitachi L200 3HP VFD that suddenly stopped working with an E14 ground fault error, and I offered to pay him up to $50 for it, thinking I could repair it or at least use some of the parts. He sent it to me and I determined that the upper IGBT on the T2 motor...
  7. Technical Discussion
    I just repaired my magnifying desk lamp that had a burned out circline bulb and a damaged driver board, using an old 60W CFL that I pulled out of the recycling bin. According to the schematics I found, they should work as well on DC as AC (probably minimum 80 VDC and best on 120-150 VDC). Here...
  8. Technical Discussion
    I had a short in my EV's plug and a fuse in the charger blew. Zivan wants me to ship to them to repair. They says it cost $300 to $500 to repair. I wanted to replace the fuse, but they said it my cause more damage. Any recommendations? Where does one find the Italweber fuses? Thanks! Dan
  9. Controllers
    My hairball shorted. It rained alot lately, and my weatherproof mounting wasn't as weatherproof as I thought. The 14V to ground blows the fuse and reads .01 ohms, which could be the meters "0". There is some corrosion, tried using electrical cleaner to remove, but the fuse still blows. I've...
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