Network Troubleshooting
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Checking Connection of the Network Cable
To check whether the network cable is properly connected to the Ethernet Port.
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Operation Procedure Using Ping
1) Ask the network administrator at the user's site to write down the IP address of the PC that
is connected to the network.
2) [Additional Functions] > [Configuration] > [Network] > [TCP/IP Setting] > [IPv4 setting] >
[Ping Command]; and enter the IP address of the PC with the numeric keypad and press
Execute key.
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The network is properly connected if the message say "Response from the host".
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If the message say "No response from the host", check the following.
MEMO:
The IP address of the PC can be checked by the following procedure:
Select the following on a Windows PC: Start > Program > Accessory > Command
Prompt; and enter "ipconfig" and press Enter key to display information of the IP
address.
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Installation > Installation > Checking Network Function on the Main Controller
Checking the Network Setting of the Host Machine
Check if the IP address specified in the Host Machine is correct.
1) Select the following: [Additional Functions] > [Configuration] > [Network] > [TCP/IP Setting]
> [IPv4 setting] > [IP address setting]; and write down the address in the IP address field.
2) Select the following: [Additional Functions] > [Configuration] > [Network] > [TCP/IP Setting]
> [IPv4 setting] > [Ping Command]; and enter the IP address.
The IP address specified in the Host Machine is correct if the message say "Response
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from the host".
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If the message say "No response from the host", check the following.
MEMO:
When setting the address by manually input, set the Subnet Mask by following the
instruction of the administrator.
Checking Network Function on the Main Controller
Perform checking by the loopback address.
1) Select the following: [Additional Functions] > [Configuration] > [Network] > [TCP/IP Setting]
> [IPv4 setting] > [Ping Command]; and enter the IP address, "127.0.0.1" with the numeric
keypad and enter Execute key.
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The network function of the Main Controller is working properly if the message say
"Response from the host".
•
If the message say "No response from the host", the network function of the Main Controller
is faulty.
2) Replace with a Main Controller that works properly, and then check connection.
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Installation > Installation > Checking Network Function on the Main Controller
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