Troubleshooting of Regular Malfunctions 13-11
13.7.3 Troubleshooting of the Monitor
No. Fault Description Cause Analysis Measure
normally;
No display (blank screen) on
the LCD;
Green indicator of the
display is on.
package
2 Control panel powered on
normally; one of indicators
turns to blue.
No display (blank screen) on
the LCD;
Display indicator is off.
Abnormal power supply of the
monitor and the monitor error
Check the power supply
for the monitor or
replace the monitor
material package
3 Control panel powered on
normally;
“No Signal” displays on LCD;
Orange indicator of the
display is on.
Normal touch screen, the image
appears on the external monitor.
Monitor signal transmitting plate
or PC carrier board errors.
Replace the plate or PC
carrier board.
Normal touch screen, the monitor
image appears. PC carrier board
error
board
Abnormal touch screen. CPU
error.
Replace CPU module
4 LCD works normally;
Touch screen blank.
Abnormal power supply of the
touch screen and the touch
screen error
Replace the power
supply of the touch
screen or touch screen
assembly
“No Signal”
CPU module error or PC carrier
board error
PC carrier board
13.8 ECG Module Failure
13.8.1 Related Modules or Boards
No. Description Remarks
1 ECG assembly /