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例一：８８０２型早产婴儿暧箱故障现象：按机器的技术要求，将机器面板上的“箱温设定”定在３２℃，“温度控制”定在“箱控”，此时环境温度为２２℃，接通电源，“箱温”、“肤温”显示均正常，但无“加热”指示。而当将“温度控制”定在“肤控”时，有“加热”指示。分析
Example 1: Type 8802 Precocious Infant Delivery Box Failure Symptom: According to the technical requirements of the machine, the “Box Temperature Setting” on the machine panel is set at 32°C, and “Temperature Control” is set at “Case Control”. At this time, the ambient temperature is At 22°C, the power is turned on. The “Box Temperature” and “Skin Temperature” indications are all normal, but there is no “heating” indication. When “Temperature Control” is set to “Skin Control,” there is a “heating” indication. analysis