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speakrdude

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Discussion starter · #1 ·
My 2002 340 has a 2006 Kohler 5ECD gen set in it with 125 hours on it. Was working fine a couple of weeks ago. This weekend, went to start, runs 10 seconds, then goes into shut down mode. Showing a code "UU" I notice the negative battery cable was almost completely off the battery, so don't know if it cleared it's settings or not.
I've tried all the basics, raw water flow, fuel flow, temp etc. While running the 10 seconds, The gauge shows -0- volts from either of the 120 volt sides. (240 volt generator)
About to start the "in-depth" trouble shooting process, but I thought I would see if there were any "Ah Ha" moments out there.
 
Discussion starter · #4 ·
So...after waiting all week to see if the local Kohler generator repairman would call me back, I decided to jump in and troubleshoot myself. On the surface, it appears to be the SCR is bad. (Yes, I possess skills, and I have a good Fluke DVM) It doesn't pass all the test as described in the service manual. Almost, but not quite. Now, since I waited until Friday to give up on the repair dude, I get to wait until next week to receive the new part.
(to be continued)
 
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