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海尔燃气热水器显示故障代码E6，这次是主板坏了，师傅修好很幸运
海尔燃气热水器显示故障代码E6，相同的代码，不同的故障，这次是主板坏了，维修小哥死马当活马医，这次维修很幸运
燃气热水器不启动，没有热水，常见故障维修合集37/113
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