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影片:我的APC UPS或電湧放電器上的現場接線故障指示燈LED代表什麼?

Article available in these languages: 英文, 西班牙文

問題:
故障指示燈或配電異常燈亮

產品:
所有 APC UPS產品


原因:
在APC UPS產品上,此指示燈通常位於後面板上。此指示燈的目的是警告您樓宇接線存在問題,可能會造成電擊危險。

APC建議由具備資質的電工針對下列一種或多種條件檢查您的接線。

站點接線故障(SWF)LED指示燈亮起的原因:
  1. 中性線過載(中性線與接地之間的交流測量值大於5伏)。
  2. 極性反接(熱線和零線顛倒)。
  3. 地線缺失。(註:這還包括使用3針到2針介面卡)



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