16-6 System Maintenance
16.2 Troubleshooting
To ensure proper system operation and function, it is recommended that a maintenance and
inspection plan be established to periodically check the safety of the system. If any system
malfunction is experienced, contact Mindray Customer Service Department or sales
representative.
If any persistent system malfunction is experienced, e.g. an onscreen error message, blank
imaging screen, absent menus, please refer to the following table below. If the failure cannot
be eliminated, please contact Mindray Customer Service Department or sales representative.
Troubleshooting
Table
No.
Failure
Cause
Measure
1
After the power supply is
turned on, the power
indicator does not light
on.
Abnormal power system or
incorrect connection of the
power cord.
Verify that the plug has not
become loosened or
dislodged from the back of
the system.
2
When the power
indicator of the monitor
is on and image is blank.
The interval between turnoff
and restart is too short –
wait a minimum time of 20
seconds.
The monitor brightness or
contrast may be improperly
set.
Turn off the system and wait
a minimum time of 1 minute,
then restart the system.
Adjust the Contrast
3
The monitor displays the
characters but no
images.
The transmission power,
overall gain or TGC controls
are improperly set.
Verify that a probe is
connected and / or fully
connected.
The system is in the frozen
status.
Adjust the transmission
power, gain or TGC control.
Ensure proper probe
connection.
Unfreeze the image.
4
The image quality has
degraded
The exam mode is not
correct.
The settings of the image
post processing are not
correct.
The image presets are
inappropriate
Select an appropriate exam
type.
Adjust the settings of the
image via post processing or
reset the post processing to
the default values.
Reset the factory default
setups.
5
The button is
responseless with the
system buzzing
Button blocked by too much
dirt
Check the control panel for
the button being blocked and
press it several times to
release it.
Clean the button
