| 收到同行送来的故障机壹台万和16L燃气热水器,故障表现为显示屏提示“E1°C”字样,经过检测,发现是气道不通,阀门都检查了,其他几个阀门都能打开,就差比例阀没打开通气,细查是比例阀接头接触不良,更换比例阀后故障修复。 |
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