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故障现象:用校验带测试工作正常,但用尿样带测试出现ＴＲＯＵＢＬＥ-4错误代码。分析检修:根据故障现象判别,用校验带测试正常,说明仪器控制部分、光学系统、扫描机构、Ｖ/Ｆ转换器、ＣＰＵ,等工作正常。由于错误码ＴＲＯＵＢＬＥ-4多出现于光路系统故障,首先检查光路系统:用万
Symptom: The test is normal with the verification tape, but the TROUBLE-4 error code appears with the urine sample test. Analysis and maintenance: According to the phenomenon of fault diagnosis, using the calibration tape test is normal, indicating that the instrument control part, optical system, scanning mechanism, V/F converter, CPU, etc. work properly. Because the error code TROUBLE-4 mostly appears in the optical system fault, first check the optical system: