Devices with a breakdown of contingency plans and processing a found device with faulty equipment belt, immediately view the cause of the malfunction. Second, oxygen apparatus oxygen flow instability: check for leaks, contact maintenance. Third, the suction device insufficient pressure: Check the pressure Center for insufficient contact system to raise the room. Fourth, the outlet without electricity: Check the device with the power switch is turned on. Fifth, the beeper rang the bell no response: Check the pager is closed volume. Sixth, if the fault can not be excluded, timely reporting matron. Seven, immediately notify the maintenance crew for maintenance. Center negative terminal leak troubleshooting if there is a negative pressure within the examination center terminal devices with dirt clogging central oxygen supply, causing the seal spring can not return to in-situ with aluminum equipment, there are air leaks. Remove the dirt inside the terminal, failure can be ruled out. Remove dirt, leak still can not solve, explain the occurrence of negative pressure terminal spring elastic deformation, causing the valve closed lax, replace the negative terminal. When replacing, be sure to pay attention to close the valve negative terminal front-end to reduce dirt contamination of the pipeline. Multifunction devices with treatment with _ _ Hebei Ericsson Ericsson provided by the Hebei Medical Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hengshui in Hebei medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!