Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
Are the louvers under the exhaust pipe opening. I would say that the switch is working but the louvers are not opening since it starts and runs fine. You could open the lovers by hand and pry a small piece of wood in between the louvers to keep them open to see if it runs properly.
Could be a number of different things. Could have been load and the shut off solenoid hit the injector pump lever and jammed it just a little. I think the only way you will be able to find out is test again, while your standing next to the unit. If it's load then you'll know and if it shuts down...