Mindray M9T User Manual

Troubleshooting of Regular Malfunctions 12-5
1 Backlight of control panel To confirm if the control panel is powered on
normally;
2 Key sound of the control panel. To confirm if the buzzer works normally
3 Response to function keys on control
panel
/
4 2116 general response to the buttons on
small keyboard
To confirm if it is digital keyboard error or control
panel assembly error.
5 Response to trackball operation /
6 Response to the sliding potentiometer To confirm if it is TGC board error or control
panel assembly error.
12.4.3 Troubleshooting Control Panel
No. Fault Description Cause Analysis Solution
1 Buzzer alarms Key blocked; Check the control panel for
key block
2 Some or a certain key
fails
Control panel PCBA error or silicon
button error;
Replace the control panel
assembly or replace silicon
buttons;
3 Some or a certain key
on the small keyboard
fails.
Small keyboard Replace the small keyboard
4 Trackball failed or
abnormal
Dirt or obstacles jam in the
trackball groove
Open and clean the groove
Improper setting of trackball speed
in system preset;
Make a proper preset
Degenerated trackball
performance
Replace the trackball
5 Control panel buttons
work well, but individual
TGC button fails.
TGC board error Replace TGC board.
TGC buttons all fail Control panel error Replace control panel
12.5 Troubleshooting LCD Display
12.5.1 Related Modules or Boards
No.
Descriptions
Remarks
1 Display (monitor) assembly Attached
2 Main board
3 CPU assembly

Mindray M9T Specifications

General

Brand	Mindray
Model	M9T
Category	Medical Equipment
Language	English