17-6 System Maintenance
Circuit breaker
Manual operation, check whether the breaker works well.
17.1.5 Backup of the System Hard Drive
To prevent deterioration or loss of data stored in the system hard drive data (including patient info data,
preset data and etc.), create a backup copy of the hard drive at regular intervals.
17.2 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.
Troubleshooting Table
No.
Failure
Cause
Measure
1
After the AC power
input is connected,
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, and 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.
