Chapter 10 Troubleshooting 
 
10-1 
 
 
Chapter 10 Troubleshooting 
 
This chapter is to describe various errors that may occur in system operation, their causes and actions 
to take against. Follow the procedures below to check for errors and error details in XGT FEnet I/F 
module. And take suitable actions against the abnormal module states surely through the troubleshooting 
in proper procedures. Discretionary repair or disassembly is not allowed. Because A/S does not have 
it, please be careful based on A/S rule. 
 
10.1 Check through Communication Module LED 
 
The status of the communication module can be checked through LED display. 
 
10.1.1 Abnormal operation display of XGL-EFMT/EFMF 
 
The operation status can be checked through LED in front of Ethernet module.   
 
 
 
 
 
 
< LED of XGL-EFMT > 
 
[Fig.10.1.1] LED structure of XGL-EFMT/EFMF module   
 
LED 
Error  Action   
RUN 
Turned off after   
FEnet powered on 
1) Ethernet communication module incorrectly installed 
- check DC 5V power supply of power module. 
- check the communication module if correctly installed on   
the base. 
2) Check if communication module is correctly perceive
XG5000. 
I/F 
LED on or off during 
normal communication 
1) Check the operation state of CPU module. 
2) Check the communication module if correctly installed on the 
base. 
3)  Check  if module information is correctly perceived  with 
XG5000 software. 
P2P 
Turned off during 
P2P command service   
1) Check if the basic parameter is downloaded correctly. 
2) Check if the function block/command is edited correctly. 
3) Check if the media is connected correctly. 
4) Check if ‘Link Enable’ is enabled. 
 
RUN □ 
HS    □ PC  □ I/F □ 
P2P   □ TX □ 
PADT
 □ ERR □ RX □ 
10/100 □