4-2
4.4 Software Version Check
Some troubleshooting tasks may require you to identify the configuration and software
version of your patient monitor.
1. To view information on the system configuration and system software version, in the
main menu, select [Maintenance >>]→[Software Version >>].
2. You can also view the information on system software version and module software
version by selecting [Maintenance >>]→[Factory Maintenance >>]→ enter the
required password →[Software Version >>].
4.5 Technical Alarm Check
Before troubleshooting the patient monitor, check for technical alarm message. If an alarm
message is presented, eliminate the technical alarm first. For detailed information on
technical alarm message, possible cause and corrective action, refer to the patient monitor’s
Operator’s Manual.
4.6 Troubleshooting Guide
4.6.1 Power On/Off Failures
Symptoms Possible Cause Corrective Action
AC mains not connected
or battery too low
Check that AC mains is properly connected or
battery capacity is sufficient.
AC/DC power board
defective
Replace AC/DC power board.
Cables defective or
poorly connected
1. Check that the cables from key board to main
board, main board to power management and
interface board, and power management and
interface board to power board are correctly
connected.
2. Check that cables and connectors are not
damaged.
Key board defective Replace the key board.
Power management and
interface board
defective
Replace the power management and interface
board.
The patient
monitor fails to
start. AC LED
or battery LED
does not light
Main board defective Replace the main board.
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