Synopsis: This paper analyses and probes in detail a trouble to detector and display abnormal M/ E exhaust temperature of microcomputer control engine room tour monitoring system in theory.

• 某轮由微型计算机控制的机舱巡回监视系统显示主机排烟温度出现异常现象，此文从理论上对这一故障从几方面进行了较深入的分析和探讨，并阐述了故障的原因和解决方法。