Good morning. I have a Kobelco Mark3 SK150lc which was running well until recently. During normal use, the rpm’s dropped and I could no longer turn off the machine with the key switch. I saw an error code of “26 S/M Off”. I found trying to run it the next day it ran fine for about 5 minutes and the same problem repeated itself. a search for the code led me to this forum where I found it was mentioned about 10 years ago, but that was all. I am hoping for some direction to where I could start to fix this. Thank you. Sticker #: HE6Y4319 Model#:SK150LC Serial#: YM-00347
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