User's Manual

Page 90
Troubleshooting
General
Can’t boot up and Power Light LED blanking Amber
Cause
System does not have enough battery capacity to boot up
Solution
Press power bottom after charge for 10min
The display is dark, or cannot be seen clearly
Cause
The service life of the LCD backlight has expired.
Solution
The backlight needs to be replaced. Contact our service representative.
The touch panel does not function properly.
Cause
A scratch on the touch panel surface or foreign object entering the touch panel junction is causing
misdetection of the key area.
Solution
The touch panel needs to be replaced. Contact our service representative.
ECG
<LEAD OFF> is displayed
Cause 1
The electrode is detached, or is not making good electrical contact with the skin.
Solution
Check the electrode attachment.
Replace the electrodes.
Check if the lead cable or relay cable is defective (wire break, etc.).
Cause 2
High voltage (abnormal voltage) is detected
Solution
Check the electrode attachment.
Replace the electrodes.
Check if the lead cable or relay cable is defective (wire break, etc.).
Cause 3
Low voltage (abnormal voltage) is detected
Solution