| 检修：苏泊尔C21S02-A-DL02-A1显示E4属于欠压保护，应检查R225(6.8K)、D208(1N4007)、R256(470K)测量R256电阻时发现电阻值已变大至(650K)，用470K电阻更换R256后试机故障机修到这里，终于修好值得探讨。。 |
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