1、fo表示系統缺氟或堵塞保護。先打開空調開制冷，讓空調壓縮機連續運轉15分鐘以上，若制冷系統缺氟，會出現以現象：氣管發幹，用手觸摸無明顯的涼感，也無結露現象。高壓管結霜。
2、打開室内機面闆，取下過濾網，可發現蒸發器僅少部分結霜或結露。室外機排風無熱感。排水軟管排水很少或根本不排水。高壓管結霜。
空調f0是什麼故障
更新时间：2026-06-25 01:03:28
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