Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

J-Ro · 12-09-2012, 06:48 PM

i Drained the caps and measured the resistances:

B+ to Heat sink is 6ohms and seemed to be slowly falling the longer I held the multimeter there but may have been more of a hover.

M- to heat sink is 20 ohms steady

B- to heat sink started at 41ohms and quickly rose up to 427 ohms and stayed there. After going B- to heat sink I now had 0.296v stored in the caps. I assume the voltage and the rising resistance had to do with the multimeter pumping power in to measure the resistance?

So what does all of this mean? I feel like I knocked the assembly of the controller out of the park so I'm not instantly ready to say the issue is from shotty workmanship. Do these readings point to a specific area where the problem may be?

Thanks for the help!

12-09-2012, 06:48 PM	#6 (permalink)
J-Ro EcoModding Lurker Join Date: Aug 2012 Location: Portland, OR Posts: 15 Thanks: 1 Thanked 1 Time in 1 Post	i Drained the caps and measured the resistances: B+ to Heat sink is 6ohms and seemed to be slowly falling the longer I held the multimeter there but may have been more of a hover. M- to heat sink is 20 ohms steady B- to heat sink started at 41ohms and quickly rose up to 427 ohms and stayed there. After going B- to heat sink I now had 0.296v stored in the caps. I assume the voltage and the rising resistance had to do with the multimeter pumping power in to measure the resistance? So what does all of this mean? I feel like I knocked the assembly of the controller out of the park so I'm not instantly ready to say the issue is from shotty workmanship. Do these readings point to a specific area where the problem may be? Thanks for the help!