EDAN U60 - Chapter 17 Troubleshooting; Checkup; Troubleshooting

U60 Diagnostic Ultrasound System User Manual Troubleshooting
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Chapter 17 Troubleshooting
17.1. Checkup
 Check whether the power supply works properly and the power cord is well connected and
plugged into the power socket.
 Check whether the probe is properly connected to the main unit.
17.2. Troubleshooting
 Changing the cartridge fuse (You can replace the fuses if necessary).
 Troubleshooting (see Table 17-1 )
Table 17-1 Troubleshooting Examples
Item
Problem
Solution
1
When the power switch is on,
there isn’t any image displayed.
1. Check power supply.
2. Check wires and plugs.
3. Check whether the cartridge fuse is melted.
4. Check the brightness control knob.
2
Strip-shape or snowflake-shape
disturbance occurs on the display
screen.
1. Inspect the power supply.
2. Check whether it is disturbed by the ignition action
of any other device.
3. Check the disturbance of electric or magnetic field
in the surrounding environment.
4. Check whether the plug and socket of power supply
and probe are properly connected.
3
Image is not displayed clearly on
the screen.
1. Adjust overall gain (Gain).
2. Adjust eight TGC slide controls.
3. Adjust the brightness.
4. Adjust focus (the number and the position).
4
Near-field image is not clear.
Adjust the key total gain and the upper TGC
5
Far-field image is not clear.
Adjust the key total gain and the lower TGC
6
Image window is dark.
Adjust the brightness and slide the TGC controls to the
right most.