M3 Vital Signs Monitor Service Manual
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4 Test and Calculation
4.1 Check the Monitor
For the conventional testing contents of monitor, please refer to the User Manual. The
information in this chapter is only a brief introduction.
First check the device appearance and installation, and be sure that:
1) The shell of the device is clean and has no scratches. The installation is stable. When shaking
the device, these is no inside leftovers.
2) Buttons are smooth and free for operation.
3) Labels are complete and sufficient and correct in delivering information.
4) Standard configuration is complete, the sockets are installed safely. All the outer cables,
inserted modules and accessories are in good condition.
5) There is any mechanical damage.
If you find any damage on the monitor, stop using the monitor on patient, and contact the
biomedical engineer of the hospital or our company service personnel immediately.
Connect all the cables well, then turn on the monitor，the POST (Power-On-Self-Test) is
performed automatically. After successfully POST, the EDAN logo will display, then enter the
main interface.
Check if all the monitoring functions of the monitor can work normally so as to make sure that
the monitor is in good condition.
Routine Check
The overall check of the monitor, including the functional safety check, must be performed by
qualified personnel once every 6 to 12 month or each time after fixing up. All checks that need to
open the monitor enclosure must be performed by qualified service personnel.
WARNING
If the hospital or agency does not follow a satisfactory maintenance schedule when
using monitor, the monitor may become invalid, and the human health may be
endangered.
4.2 NIBP Calibration
It is recommended that user should calibrate monitor after it works for a long period, in case the
measuring results are inaccurate. The calibration should be executed by professional personnel
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