故障表现为:洗衣机不能启动 故障检修:经查因操作不当,前门钩栓已断裂,前门关闭不到位,机器便停机自保。正常时,关好前门,接通市电,按下开关,电动门锁的L、N极得电,PTC元件发热,双金属片受热变形推动挡块与门钩栓啮合,牢牢锁住前门,防止在洗涤、脱水过程中前门被误打开而酿成事故。另外,电动门锁的L极还与C极接触,接通整机电源,机器启动。洗涤完毕关机,待PTC元件冷却,挡块复位,前门才能打开。购同型号、同规格的前门锁整件更换后工作正常。 |
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