描述
当发现多个自调系统失灵，监控画面上自调阀阀位在全开或全关位置，立即检查仪表气源压力，若气源压力小于0．4MPa，则不正常，检查气源管道有无堵塞或漏气现象；若气源压力小于0．2MPa，立即进行紧急停车。将监控画面上的自调系统全部打到手动，将调节阀阀位调到安全位置，通知仪表工检查气源，同时到现场进行操作，关闭调节阀两端的截止阀，用旁路阀操作。
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