
Full Digital Ultrasonic Diagnostic Instruments
User’s Manual V1.00
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13.4 Troubleshooting
To ensure normal operation, users are recommended to prepare a proper maintenance and regular
examination plan to regularly check on product safety performance. If any abnormity occur, timely
contact International Trade Dept of Kaixin for support.
If the following problems occur on starting up the machine, try to make corrections following the
method in the table. If the problem remains unsolved, contact International Trade Dept of Kaixin for
support.
Trouble
Correction
Power light is off and no screen
display is present when starting
the machine.
1. Check power supply.
2. Check power cable and connector.
3. Check power adapter.
Character and gray scale are
displayed, but no ultrasonic
image on the screen.
Probe is not properly connected. Turn off the power and
reconnect the probe.
Intermittent stripe, snow, or
far-field interference appears on
screen.
1. Check power supply (spark interference present).
2. Check environment (source of interference around the
machine, such as electric motor, ultrasonic atomizer,
automobile, computer or other interference).
3. Check power plug/socket of the instrument or probe
connectors. They shall be properly contacted.
Image display is not clear.
1. Adjust the total gain, TGC.
2. Adjust the brightness.
Control panel malfunction
Turn off the machine and restart it.
13.5 Periodic Safety Checks
To ensure the system performance and safety, it must be checked after using 1 year. When check
the instrument, please consult the International Trade Dept of Kaixin or its dealers, as they need to
have professional technology engineers.
1. The following safety checks should be performed at least every 12 months by a qualified
person who has adequate training, knowledge, and practical experience to perform these tests.
Inspect the equipment and accessories for mechanical and functional damage.
Inspect the safety relevant labels for legibility.
Inspect the fuse to verify compliance with rated current and breaking characteristics.
Verify that the device functions properly as described in the instructions for use.
Test the protection earth resistance according to IEC 60601-1: Limit: 0.1Ω.
Test the earth leakage current according to IEC 60601-1: Limit: NC 500μA, SFC: 1000μA.
Test the touch current according to IEC 60601-1: Limit: NC 100μA, SFC: 500μA.
Attention:
If long-term use external power or do not intend to use the equipment
within such a period of time, please remove the battery, to avoid over-charging or
discharging the battery which will curtail battery life, or to reduce other risk.
Attention:
Don’t throw away the exhausted battery anywhere; especially throw it in
the fire. Please deal with it according to local statutes. Use pollution degree II to deal
with.