17 System Maintenance
Operator’s Manual 17 - 5
17.2 Troubleshooting
If any persistent system malfunction is experienced, e.g., an onscreen error message, blank imaging
screen, absent menus, see the table below. If the failure cannot be resolved, contact the Mindray
Customer Service Department or a sales representative.
No. Failure Cause Measure
1 The system cannot be
powered on.
Abnormal power system or
incorrect connection of the
power cord.
Check that the system is
plugged in.
Check that the plug has not
become loose or dislodged
from the back of the system.
2 The display has no output. The interval between turning
off and restarting the system is
too short - wait at least 20
seconds.
Turn off the system and wait
at least 1 minute, then restart
the system.
The display brightness or
contrast may be improperly
set.
Adjust the display brightness
and contrast.
3 The touch screen displays
the characters and menus
but no images.
The acoustic power, gain or
TGC controls are improperly
set.
Adjust the acoustic power
output, gain or TGC control.
Check that a probe is
connected and/or fully
connected.
Check probe connection.
The system is in frozen status. Unfreeze the image.
4 The image quality is
degraded
The exam mode is incorrect. Select an appropriate exam
mode.
The image parameter settings
are incorrect.
Adjust the image parameters.
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