3-3
IM MX100-01E
Troubleshooting and Maintenance
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. 2-17
The supply voltage is too low. Check whether the voltage is within the supply voltage 2-17
rating range.
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 Remove the input/output module one by one and determine the -
the input/output module. broken module (servicing required.)
The power supply is shorted inside Replace the main module. 2-4
the main module. (Servicing required.)
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. Replace the Ethernet cable. 2-21
The cable is broken.
The LINK LED does not turn ON. Check the hub’s power supply. If it still does not work, 2-20,2-21
There is a problem with the hub. replace the hub and check the hub’s operation.
Also, try to connect the MX100 using the 10-Mbps fixed mode.
The LINK LED does not turn ON. Check whether the PC can connect to the network. 2-21
There is a problem with the PC. Replace the PC’s NIC.
The ACT LED does not turn ON. Check the hub’s power supply. If it still does not work, 2-20,2-21
There is a problem in the connection replace the hub and check the hub’s operation.
between the hub and the MX100. Also, try to connect the MX100 using the 10-Mbps fixed mode.
The ACT LED does not turn ON. Check whether the PC can connect to the network. 2-21
There is a problem with the PC. Replace the PC’s NIC.
There is a problem in the network Check that the IP address, subnet mask, and default gateway *
configuration. settings of the PC correspond to the MX100 settings.
The settings are not correct.
There is a problem in the network Turn OFF the power to the PC and the MX100, and carry out *
configuration. reconnection.
The setting changes have not taken
effect.
There is a problem in the software Check whether the connection can be made using the MX100 *
created using the Standard Software.
MX100/DARWIN API.
The PC and the MX100 are not in the Connect the PC and the MX100 in the same network segment. *
same segment. If the PC and the MX100 are connected as shown in the following figure,
the Search button cannot be used to detect the MX100. However,
you can make the connection by manually specifying the IP address.
MX
PC
Router
Network A
Network B
* See the MX100 Standard Software User’s Manual.
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