Inside the surge tank is a float that turns on the "low coolant" light. As the float gets gummed up it gets stuck in the low position. I've had good luck in cleaning the surge tank out really well and ungummed the float so it slides up and down like it should.
Generator show establishing communication with control
And write some below (scrn pno3266796 v 4.50)
I am try to start generator but generator not start.
check fuel filter it may be only getting enough fuel to run up to so many rpm
You are going to have to register with Kohler and use this site to get your part:http://www.kohlerpower.com/residential/sectionfront.htm?sectionNumber=13561
is possible your sensor inside your reservoir you need to check
coolant level sensor will be in the coolant expansion tank.