Mitsubishi Electric NZ2FTGN User Manual page 411

When the NS LED is flashing in red
The possible cause is a timeout of the Exclusive Owner connection
Check the following items in order from the top.
Item
Is the Ethernet cable of the RJ71EIP91 inserted
as far as it will go?
Is heavy load applied to the network?
Is the EtherNet/IP connection timeout set
appropriately?
*1 The Exclusive Owner connection is a connection that allows sending data from the NZ2FT-EIP to the RJ71EIP91 and receiving data
from the RJ71EIP91 to the NZ2FT-EIP to be set simultaneously.
When the NS LED is flashing in green
Check the following items in order from the top.
Item
Is the Ethernet cable of the NZ2FT-EIP inserted
as far as it will go?
Check for errors in the line status.
When the following LEDs turn on in red
• Power supply LED
• Input power supply LED 3.2
• Output power supply LED 4.2
• Input power supply internal protection circuit LED 3.4
• Output power supply internal protection circuit LED 4.4
Check the following item.
Item
Is the voltage of the external power supply
(24VDC) within the specified range?
*1
.
Action
Push in the Ethernet cable of the RJ71EIP91 until it clicks.
Divide the network.
Check the connection setting for the connection destination.
Action
The EtherNet/IP connection has not been established.
Push in the Ethernet cable of the NZ2FT-EIP until it clicks.
The EtherNet/IP connection has not been established.
The line may be busy, so retry at a later time.
Action
The power supply voltage is less than 18VDC. Set the voltage value within the range of performance
specifications.
If the problem persists, the possible cause is an internal fuse failure. Replace the NZ2FT-EIP.
12 NZ2FT-EIP
409
12.9 Troubleshooting
12