The more commonfaults of fire-fighting electromechanical equipment are generally that the pumpcannot absorb water, the water output from the pipeline is small, and there areunexplained vibrations or noises inside the pump, etc. When inspecting with anindustrial endoscope, it is necessary to carry out inspections for differentfaults. Generally, these failures are caused by air leakage in the suctionpipe, turbidity of the internal impeller, etc. If you want to check thesefailures through traditional methods, you need to manually disassemble andreassemble, which is too time-consuming and labor-intensive;