13-10 Troubleshooting of Regular Malfunctions
Display indicator is off.
Control panel can be
powered normally and no key
indicator turns on orange
Warns “No Signal”;
Display indicator is yellow.
No DVI signal input, 10.4-inch
display works normally. DVI
signal line malfunction or may
not be connected well; or the
malfunction may be on the
digital board.
Check the field site,
replace the digital board.
No DVI signal input to the
display, no display on the touch
screen, the malfunction may be
on the CPU module.
10.4-inch display is blank
screen
The display power line
malfunction or may be the
power line connection is not
good.
Check the power line or
replace the 10.4- inch
display screen.
13.8 ECG Module Related Troubleshooting
13.8.1 Module or Board Related
13.8.2 Key Points Supporting Troubleshooting
Key Points Supporting
Troubleshooting
ECG waveform characteristic
ECG Module Information Read Test
Confirm if the communication is normal between
the DSP board and ECG module.
13.8.3 ECG module Related Troubleshooting
ECG related
function can’t be
opened.
ECG module is directly powered by
EDC_12V, not controlled; ECG
function can’t be opened, this means
ECG port serial port communication
is abnormal. The malfunction may be
on the ECG cable, or on the ECG
module, or on the DSP board ECG
Confirm if the
communication between the
DSP board and ECG module
is normal by self-test.
Check the ECG cable and
Replace ECG module to find