Gererator turns off when i turn the idle control switch on generac 7500

test power circuit --fuse switch-wiring/connections-starter--safety sensors

See following link
https://www.generac.com/service-support/product-support-lookup

Check fuse and connections between start switch, control board, and starter solenoid.



ENGINE CONTROLLER CIRCUIT BOARD
GENERAL:
The engine controller board is responsible for crank-
ing, startup, running and shutdown operations. The
board interconnects with other components of the DC
control system to turn them on and off at the proper
times. It is powered by fused 12 VDC power from the

Diesel generator set faults solutions: www.dieselgeneratortech.com

regulator maybe need to adjust or broken

You can`t turn your idle up.It is all controlled by the computer.You should clean the throttle body and idle air control seat.Make sure the egr valve is not sticking.Might have to perform an idle learn procedure.This can only be done with a scan tool.Hope this helps.Good luck.

check to see if somthing is blocking the movement of the govenor linkage

there is some problem in your AMF/ATS pannel

Have you checked the fuse? Mine keeps blowing the fuse (located on the back of the control panel) with each startup and shutdown or use of idle control.