石墨炉很久没有用,又换了新的石墨管,对石墨管的老化不能运行完。系统显示如下: The graphite furnace has overheated. The furnace may overheat because the cooling water flow is inadequate or the cooling water temperature is too high. Allow the furnace to cool and check the cooling water before continuing. 检查冷却水系统没有问题,仪器是PE AAS800,摆在那没有动过,请教各位高手: 1.可能是什么问题,需要检查那里呢? 2.之后我又试了2次,还是不能运行完。对石墨管的影响大不大? 谢谢各位大侠!!