检修:苏泊尔C21S02电磁炉显示E4属于欠压保护,应检查D101(1N4007)、D102(1N4007)、R101(820K)、C101(10UF/16V),测量R101电阻时发现电阻值已变大至1.3M,用同阻值电阻更换R101后试机故障排除。 |
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