Siemens AR.T EX0823排除
文章来源:发布日期:2008-05-19浏览次数:68335 故障显示是曝光就reset,而且复位也复不起来了.机架亮不起来.
错误代码的描述是>
DETAILED DEsc[x]riptION:
---------------------
Basic filament current is less than 4.2A for more than 8 seconds. This error
could be caused by a broken filament/filament transformer in the Rotanx, faulty
feedback or a too low supply to the filament.
差灯丝电源D21板发现灯丝的 40V电源没有.电路板上F11保险丝熔断,更换后,开机,保险丝依然熔断.仔细检测电路,发现F11后边电路,灯丝电路的整流桥有一个二级管短路了(MR856),更换一相近二极管机器就正常工作了.