Reason analysis:
1. The fuel pipe is not filled with fuel in advance, the oil pipe is bent or blocked;
2. Spark plug failure
The solution:
1. Use the GSU test function to fill the oil line with fuel
2, using the GSU "test fire head", no current is displayed or no bright spot is observed from the tail nozzle. In this case, it is necessary to contact Xuanyun after sales to return to the factory for maintenance.