Chapter 34 Troubleshooting By Symptom; Ethernet Communication Between A Personal Computer And This Product Fails; The Ping Command Responds Abnormally; The Ping Command Responds Normally - Mitsubishi Electric MELSEC iQ-R Series User Manual

34
TROUBLESHOOTING BY SYMPTOM
If a function of this product does not run properly, check the following items and perform troubleshooting.
34.1
Ethernet Communication between a Personal
Computer and this Product Fails
Issue a ping from the personal computer to this product, and confirm the response.

The PING command responds abnormally

Check item
Is the Ethernet cable wired correctly?
Is the Ethernet cable broken?
Is communication blocked by the security function such as firewall?
Are the IP address segment of the personal computer and this product
different?
Does the duplicated IP address with the personal computer and this product
exist in the connected LAN?
Does the PING command respond abnormally after replacing this product?
Is the IP address out of the range specified?
Is the network in the overloaded conditions?
Is the OS LED OFF or flashing?

The PING command responds normally

The READY LED is OFF
Refer to the following:
Page 221 The READY LED is not ON in green
CW Configurator connection fails
Check item
Is the connection destination of CW Configurator set to a different route?
Is Ethernet port direct connection selected in the connection destination
setting?
If an error cannot be resolved by the above corrective actions, refer to the following:
Page 255 MELSOFT Connection cannot be Established
34 TROUBLESHOOTING BY SYMPTOM
254

34.1 Ethernet Communication between a Personal Computer and this Product Fails

Corrective action
Wire the Ethernet cable correctly.
Replace the Ethernet cable.
Allow Ping communication by the Windows firewall or used antivirus software.
Set the IP addresses of the personal computer and this product to the same
segment. If another LAN segment is relayed via a gateway, contact the
network administrator of the connected LAN.
Contact the LAN network administrator to eliminate the IP address duplication.
Reset all devices on the network to which this product is connected.
Check the following items and specify a right IP address.
• The IP address starts with a value from 1 to 233, excluding 127.
• No space is included in the IP address.
Disconnect other Ethernet devices from the network, and connect this product
only.
If the OS LED is OFF, start Windows. If the OS LED is flashing, Windows is
preparing; therefore, wait until Windows starts the operation (The LED turns
ON in green).
Corrective action
Set the connection destination of CW Configurator, via Ethernet.
Check the connection of the Ethernet cable.