如果您的热水器出现了问题，不要轻易放弃，可以尝试通过一些自查和维修的方法来解决，本文富士通空调万能钥代码解决步骤将为您介绍一些相关的技巧和步骤。

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　　富士通空调万能钥代码故障解决方法:

编号 故障代码含义 显示代码 1 相序保护 E1 2 温度传感器开路 FH 3 温度传感器短路 FL 4 外部连锁信号 L1 5 水流开关 E2

~经常保持热水器的清洁和干燥，可以预防热水器出现故障，同时也可以减少清洗和维修的工作量