Yokogawa PC-Based MX100 - Manual (Page 75)

3-3
IM MX100-01E
Troubleshooting and Maintenance
3
2
1
4
5
Index
3.2 Troubleshooting
If servicing is necessary, or if the instrument is not operating correctly after performing
the corrective actions below, contact your nearest YOKOGAWA dealer for repairs.
The 7-segment LED does not illuminate.
Probable Cause Corrective Action Ref. Page
The power switch is not ON. Turn ON the power switch. 2-21
The supply voltage is too low. Check whether the power supply voltage is within the rated range. 2-19
The fuse is blown. Servicing required. -
The power supply is broken. Servicing required. -
The 7-segment LED blinks repeatedly.
Probable Cause Corrective Action Ref. Page
The power supply is shorted inside the input/
output module.
Remove the input/output module one by one and determine the
broken module (servicing required.)
2-4
The power supply is shorted inside the main
module.
Replace the main module.
(Servicing required.)
2-4
The MX100 cannot be detected from the PC or cannot be detected with the Search button.
Probable Cause Corrective Action Ref. Page
The LINK LED does not turn ON.
The cable is broken.
Replace the Ethernet cable. 2-22, 2-23
The LINK LED does not turn ON.
There is a problem with the hub.
Check the hub’s power supply. If it still does not work, replace the
hub and check the hub’s operation. Also, try to connect the MX100
using the 10-Mbps fixed mode.
2-22, 2-23
The LINK LED does not turn ON.
There is a problem with the PC.
Check whether the PC can connect to the network.
Replace the PC’s NIC.
2-22, 2-23
The ACT LED does not turn ON.
There is a problem in the connection
between the hub and the MX100.
Check the hub’s power supply. If it still does not work, replace the
hub and check the hub’s operation.
Also, try to connect the MX100 using the 10-Mbps fixed mode.
2-22, 2-23
The ACT LED does not turn ON.
There is a problem with the PC.
Check whether the PC can connect to the network.
Replace the PC’s NIC.
2-22, 2-23
There is a problem in the network
configuration.
The settings are not correct.
Check that the IP address, subnet mask, and default gateway
settings of the PC correspond to the MX100 settings.
*
There is a problem in the network
configuration.
The setting changes have not taken effect.
Turn OFF the power to the PC and the MX100, and carry out
reconnection.
2-21, *
There is a problem in the software created
using the MX100/DARWIN API.
Check whether the connection can be made using the MX100
Standard Software.
*
The PC and the MX100 are not in the same
segment.
Connect the PC and the MX100 in the same network segment.
When connected as shown in the following figure, the Search
button cannot be used to detect the MX100, but you can make the
connection by manually specifying the IP address of the MX100.
*
MX
PC
Router
Network A
Network B
When using Windows XP, Windows Vista, or Windows 7, check
the firewall function.
* See the MX100 Standard Software User’s Manual (IM MX180-01E).