Mitsubishi Electric NZ2MF2S1-32D User Manual page 101

When the D LINK LED flashes
Check item
Does the IP address setting of I/O module match the IP address of I/O
module specified in the configuration setting of master station?
Is the I/O module set to a reserved station?
Is the number of occupied stations set to other than 1?
Is the IP address of the I/O module duplicated with any of other
devices?
When the 100M LED turns off
Check item
Are Ethernet cables normal?
Do the switching hub and other stations in the system normally
operate?
When the SD/RD LED remains turned off
Check item
Are Ethernet cables normal?
Do the switching hub and other stations in the system normally
operate?
When the ERR. LED turns on
Check item
Has any moderate or major error occurred?
When the ERR. LED flashes
Check item
Has any minor error occurred?
Action
The IP address of I/O module must match the IP address specified in the
configuration setting of master station.
Set the reserved station specification of I/O module to have no setting in the network
configuration setting, and reflect the changed parameter in the CPU module.
Set the number of occupied stations of I/O module to 1 in the network configuration
setting, and reflect the changed parameter in the CPU module.
IP address of the I/O module must not be duplicated with another device.
Action
• Check that 100BASE-TX-compliant Ethernet cables are used.
• Check that the station-to-station distance is 100m or less.
• Check that the Ethernet cables are not disconnected.
• Check that a 100BASE-TX-compliant switching hub is used.
• Check that the power supplies of the switching hub and other stations are turned
on.
Action
• Check that 100BASE-TX-compliant Ethernet cables are used.
• Check that the station-to-station distance is 100m or less.
• Check that the Ethernet cables are not disconnected.
• Check that a 100BASE-TX-compliant switching hub is used.
• Check that the power supplies of the switching hub and other stations are turned
on.
Action
Determine the error factor by the CC-Link IE Field Network Basic diagnostic window
or LED status of I/O module, and take action.
Action
• Determine the error factor by the CC-Link IE Field Network Basic diagnostic
window, and take action.
Page 100 CC-Link IE Field Network Basic Diagnostics
• Determine the error factor by the error code of diagnostic information 2 of slave
station, and take action.
Page 124 Diagnostic information list
11 TROUBLESHOOTING
11.1 Checking the LEDs
11
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