16-6 System Maintenance
16.2 Troubleshooting
If any persistent system malfunction is experienced, e.g. an onscreen error message,
blank imaging screen, absent menus, please refer to the table below. If the failure can’t
be eliminated, please contact Mindray Customer Service Department or sales
representative.
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.
Check if the system is
plugged in.
Check if the system
circuit breaker is in the
Up position.
Check if the plug has
not become loosened
or dislodged from the
back of the system.
2
The power indicator of
the monitor is light on,
but image is blank.
The
interval
between
turning off and restarting
the system 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 monitor
brightness and
contrast back to
factory defaults.
3
The monitor displays
the characters and
menus but no images.
The transmission power,
overall gain or TGC
controls are improperly
set.
Check if 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 is
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 mode.
Adjust the settings of
the image via post
processing or reset the
post processing to the
default values.
Reset the factory
default presets.
5
The button is
responseless with the
system buzzing
There is too much dirt
blocking the button
Check the control
panel for the button
being blocked and
press it several times
to release it.
Clean the button.
