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1.故障现象1台使用了13050h的卡尔玛DCT80型堆高机,在作业过程突然出现无法行驶故障,显示屏出现故障报警,并出现代号为21#的故障代码。2.故障排查查看该型堆高机技术手册得知,故障代码21#是指电气控制系统主控制器KCU与变速器控制器TCU之间无通讯。打开堆高机点火开关给电控系统供电,从显示屏故障检索菜单进入堆高机主控制器自诊断系统的界面,查看堆高机CAN/POWER菜单中
1. Symptom 1 using a 13050h Kalmar DCT80-type stackers, sudden failure in the course of operation can not be run, the display failure alarm, and code 21 # code appears. 2. Troubleshooting See this type of stacker technical manual that fault code 21 # means that there is no communication between the KCU main controller of the electric control system and the TCU of the transmission controller. Turn on the stacker ignition switch to power the electronic control system, enter the stacker main controller self-diagnosis system interface from the display screen fault finding menu, and check the stacker CAN / POWER menu