First the unit is a GC15K SN: AT81E00141
The unit starts and runs for 3 seconds then shuts down. There is no trouble starting the unit it starts right up, but only runes for 3 seconds. I have checked the LPG fuel system and there appears to be no issues with it. Tank has fuel. I have checked everything i know to check and the manuals, are useless in troubleshooting this issue. I need any assistance/advice.