PB840自检流程Exit sst (退出自检)按accpet确认Unblock wye (放开Y型口),按ACCPET确认无水按clear键有水按ACCPET确认Is water in humidifile(湿化器内有水吗? block wye堵管,按ACCPET确认Unblock wye 放开Y型口,按ACCPET确认Connect to from-patient port接上病人端Discoment at from patient port (将病人端脱开) 再按 确认(ACCPET)Connect humidifier if applicable(接上湿化器) 再按 确认(ACCPET)注意继续堵管开机,注意不得接模肺按SST键,颜色变红后,再按机器左外侧的TEST键,确认(ACCPET)Connect circuit with insp filter and without humidifier (将管道连接与湿化器脱开) 再按 确认(ACCPET)Block wye(堵住三通管开口,保证密封。再按 确认