6-6 
 
6.6.9 Data Storage Failure 
Symptoms  Possible Cause  Corrective Action 
Fails to review archived 
patient data 
Abnormal patient admitting  Admit the patient properly. 
SD card full; unavailable for more 
patient data 
Delete garbage patient data, remove the related alarm, 
and readmit the patient. 
The main board failed.  Replace the main board. 
SD card failure 
SD card not formatted  Format the SD card. 
SD card failure  Replace the SD card. 
SD card is locked  Unlock the SD card. 
Main board defective  Replace the main board. 
 
 
6.6.10 Wired Network Related Problems 
Symptoms  Possible Cause  Corrective Action 
Unable to connect the wired 
network 
Incorrect LAN cable 
connection 
Check LAN cable connection. LAN cable shall not be longer 
than 50 m. 
Incorrect IP address 
configuration 
Check for IP address conflict. If yes, reconfigure the IP 
address. 
Cable defective  1. Check that the cable between the power management 
board and main board is correctly connected. 
2. Check that the cable between power management board 
and interface board is correctly connected. 
The connector board failed.  Replace the connector board. 
Power management board 
defective 
Replace the power management board. 
The main board failed.  Replace the main board. 
The monitor is frequently off 
line or disconnects from the 
network. 
Incorrect LAN cable 
connection 
Check LAN cable connection. LAN cable shall not be longer 
than 50 m. 
The monitor is connected to 
a LAN but cannot view other 
patients under the View 
Others mode 
Incorrect LAN cable 
connection 
Check LAN cable connection. LAN cable shall not be longer 
than 50 m. 
Excessive requests for 
viewing the monitor at the 
same time 
A monitor can only be viewed by 4 other monitors at the 
same time under the View Others mode. The excessive view 
requests system will be ignored. 
Incorrect IP address 
configuration 
Check for IP address conflict. If yes, reconfigure the IP 
address.