Ｓｙｓｍｅｘ　Ｆ－８００血球计数仪检修二例本院于九二年购进日产Ｆ－８００全自动血球计数仪壹台，今年七、八两个月内连续发生两次故障，经检查均与环境温度有关。今年七月，该机突然出现＂全无＂故障。经检查电源保险丝完好，估计问题是在电源或是负载短路导致电源自... Two cases of Sysmex F-800 blood cell counter overhaul. This hospital purchased the Nissan F-800 automatic hemocytometer counter in 1992. There were two consecutive failures within seven months and eight months of this year. Both were checked with the ambient temperature. related. In July this year, the aircraft suddenly appeared “all without” failure. After checking that the power fuse is intact, it is estimated that the problem is caused by a short circuit in the power supply or load.