林內熱水器 RUA-A1601 維修

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因為樓上漏水導致熱水器淋水6個多月，導致熱水器秀斗，時好時壞
這次拆開發現只有前面板受損，主機板是正常的，
經測量發現4p開關都壞了，其中一條線路受腐蝕斷掉,7段顯示器掛掉
可惜控制面板有灌膠，很難修
只能修好暫時撐著
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