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Motor/Controller Troubleshooting

dennyt

10 W
Joined
May 25, 2011
Messages
74
Location
Seattle, WA, USA
I'm having an intermittent cutout and buzzing problem with my BMC V2-S, using a Crystalyte 25A analog controller and an 18S battery pack, limited to 17A with a cycle analyst.

I got a simple LED hall tester from Ilia. Here are the video results - all 3 LEDs blink when the wheel is turned backwards (because the clutch wouldn't spin the motor if the wheel was spun forwards). All 3 glow continuously when the motor runs, and continue to glow when it cuts out. I'm thinking controller problem. Thoughts?

Here's a video: https://dl.dropbox.com/u/15506028/hall-diagnostics.MOV

Thanks for any help!
 
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