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故障现象 1 机器输出不稳定 ,病人有不适的刺激感。故障分析与检修 根据故障现象 ,首先检查机器外部的输出电极、插头 ,看是否有接触不良、断路点等现象 ,结果未发现异常。然后将两组输出电极交换 ,发现Ｂ组插孔输出的电流始终不稳 ,给人有较强的刺激感。用示波器检查Ａ、Ｂ
Symptom 1 The output of the machine is not stable, and the patient feels uncomfortable. Failure analysis and maintenance According to the phenomenon of failure, first check the output electrodes and plugs outside the machine to see if there are poor contact, broken points, etc., and no abnormalities were found. Then, the two sets of output electrodes were exchanged, and it was found that the output current of the group B jack was always unstable, giving people a strong sense of stimulation. Check A, B with oscilloscope