機械壓力開關的故障解決
1、當機械壓力開關出現故障時，首先要檢測接線是否正確，以免將常開點與常閉點連接錯誤。
2、其次檢測微動開關是否出現損壞：
（1）要先將電源設備給切斷，并且可以將管道中壓力卸載；
（2）用的器件時一字螺絲刀，在用一字螺絲刀將控制器端蓋卸下；
（3）在用一字螺絲刀將面板卸下；
（4）我們將萬用表調至蜂鳴檔，將萬用表的接在接線柱1、3上；
（5）假如萬用表的蜂鳴器響起，說明微動開關沒有損壞；反之則說明微動開關已損壞。
3、最后，檢查機械壓力開關的壓力動作值是否調整準確，確保動作值設定在量程范圍的20%--80%之間。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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