| 故障：放锅开机各功能键正常有敲锅声不加热 检修：有敲锅声不加热，说明故障在高压取样电路，拆机测量高压取样电路的各个大阻值电阻均正常，测功率调节电位器VR1(10K)一端无穷大，更换VR1后试机一切正常。 |
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