Troubleshooting; Checking With Leds - Mitsubishi Electric NZ2FTGN User Manual

12.9

Troubleshooting

This section describes troubleshooting of the NZ2FT-EIP.
If troubleshooting does not solve the problem, acquire the service file, and please consult your local Mitsubishi
representative. ( Page 88 Acquisition of the service file)

Checking with LEDs

When the PW LED turns off
Check the following items in order from the top.
Item
Is the module status LED of the I/O module on in
green?
Is the external power supply (24VDC) wired?
Is the external power supply (24VDC) turned on?
Is the voltage of the external power supply
(24VDC) within the specified range?
When the SF LED turns on in red
Check the following items in order from the top.
Item
Is the latest EDS file in use?
Are the station settings matched with the actual
settings?
Is the electronic unit part detached?
Are the NZ2FT-EIP and I/O module connected
with no clearance between them?
When the SF LED is flashing in red
Check the following item.
Item
Has the Force mode been selected?
When the BF LED turns on in red
Check the following items in order from the top.
Item
Are the Ethernet cables between the RJ71EIP91,
the hub, and the NZ2FT-EIP inserted as far as
they will go?
Has the Ethernet cable been disconnected?
Are there any mistakes in the parameter settings
of RJ71EIP91 and NZ2FT-EIP?
Is the firmware version appropriate?
Is the EtherNet/IP communication start request
signal of RJ71EIP91 operating?
Has an error occurred in the RJ71EIP91?
Action
Repair or replace the NZ2FT-EIP. The possible cause is an internal fuse failure.
Wire the external power supply (24VDC).
Turn on the external power supply (24VDC).
Set the voltage of the external power supply within the range of performance specifications.
Action
Use the latest EDS file.
Match the station settings with the actual settings.
Insert the electronic unit part.
Connect the NZ2FT-EIP and the I/O module with no clearance between them.
Action
The NZ2FT-EIP is in Force mode. Clear the Force mode.
Action
Push in the Ethernet cable of each connection section until it clicks.
Replace the Ethernet cable.
Review the IP address setting of the RJ71EIP91 and the following parameters for the NZ2FT-EIP.
• Parameter "IP address"
• Parameter "Subnet mask"
• Parameter "Gateway"
• Parameter "IP configuration"
Check the firmware version of the master module and NZ2FT-EIP. Update the firmware if necessary.
Check the EtherNet/IP communication start request signal.
Follow the manual of the RJ71EIP91 and perform troubleshooting.
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12.9 Troubleshooting
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