Vital Signs Monitor Service Manual Test and Maintenance
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Chapter 4 Test and Maintenance
4.1 Routine Test
An overall check of the monitor, including safety check and functional check, should be
performed by qualified personnel every 24 months or after service.
4.1.1 Visual Inspection
Before using the monitor:
Inspect the monitor and accessories for obvious signs of damage.
Check the external cables, power socket and power cable.
Do not use the monitor if any damage is detected until the monitor is repaired by the service
engineers of EDAN or professional service personnel of the dealer.
4.1.2 Power- on Test
Switch on the monitor after it is connected to the power source and check:
If the power on/off indicator lights up;
If the alarm indicators flicker and if the alarm tone is heard;
If some images and characters are missing;
If there are bright spots and dark shadows on the LCD screen;
If the waveforms, fonts and symbols displayed on the LCD screen are normal.
If any failure is detected, refer to Section Machine Failures and Display Failures for details.
4.1.3 Key Test
Press the keys on the front panel in turn to check if they work properly. When pressing a key, a
corresponding functional display is supposed to be seen onscreen. Refer to iM3 Vital Signs
Monitor User Manual for details about the key function. The user can move the cursor by turning
the trim knob clockwise or anticlockwise. Also, the user can confirm the operation by pressing
the trim knob.
If any failure is detected, refer to Section Operation Failures for details.
4.1.4 Checking Touch Screen
When the monitor is configured with a touch screen, touch any available keys on the screen to
check if the screen is working properly.
If any failure is detected, refer to Section Operation Failures for details.
4.1.5 Checking Internal Barcode Scanner
When the monitor is configured with internal barcode scanner, switch on the function and scan
barcode to check if monitor can normally display the contents.
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