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故障现象 我院西门子直线加速器ZXT型治疗床出现床不能上升但能下降的故障。该机器其他所有功能都正常。开始时连续按几下床升开关,床有时还能上升一点,过一段时间,床彻底不能升高了。治疗完最后一个病人,由于病人下床,床下又降到最低位置。
Symptoms in our hospital Siemens linear accelerator ZXT-type treatment bed appeared bed can not rise but can decline in failure. All other functions of this machine are normal. The beginning of a few press the bed up and down switch, sometimes the bed can rise a little over a period of time, the bed can not be raised completely. The last patient after treatment, due to get out of bed, the bed down to the lowest position.