MELSEC-WS
Troubleshooting
59
For information how to perform diagnostics on the MELSEC-WS safety controller
please refer to the Safety Controller Setting and Monitoring Tool Operating Manual.
Check the LEDs of the module during troubleshooting.
Table
19
: Troubleshooting for the WS0-GETH
Error
Cause
Possible remedy
The Setting and Monitoring Tool
does not connect to the
Ethernet interface module.
WS0-GETH has no power supply.
WS0-GETH is not in the same
physical network as the PC.
The PC is configured to another
subnet mask in the TCP/IP settings.
WS0-GETH has already been
configured once and has a fixed set
IP address or an IP address
assigned by a DHCP server that is
not recognized.
Establish the power supply.
Check the Ethernet wiring and network
settings on the PC and correct if necessary.
Set the subnet mask on the PC to 255.255.0.0
(factory setting of the WS0-GETH).
Check the communication settings in the
Setting and Monitoring Tool.
WS0-GETH does not supply
any data.
LED PWR
Green
LED LINK/ACT
/
Green
LED MS
Red/Green
WS0-GETH is configured for data
transfer to programmable controller,
but Ethernet communication is not
yet established or faulty.
Duplicate IP address detected.
Another device on the network has
the same IP address.
Minimum one Ethernet connection needs to be
established. Set up Ethernet connection on
programmable controller side, check Ethernet
cabling, check Ethernet connection settings on
programmable controller and in the Setting
and Monitoring Tool. If no Ethernet
communication is required, disable the
Ethernet connections/PLC interfaces on the
WS0-GETH.
Adjust IP address and power cycle device.
WS0-GETH does not supply
any data.
LED PWR
Green
LED LINK/ACT
/
Green
LED MS
Red (1 Hz)
Configuration required.
Configuration download is not
completed.
Configure the WS0-GETH and download the
configuration to the safety controller.
Wait until the configuration download has been
completed.
WS0-GETH does not supply
any data.
LED PWR
Green
LED LINK/ACT
/
Green
LED MS
Green
No data set is activated.
No Ethernet communication interface
is enabled.
Activate at least one data set for
communication in auto update mode.
WS0-GETH does not supply
any data.
LED PWR
Green
LED LINK/ACT
/
Green
LED MS
Green (1Hz)
WS0-GETH is in Idle mode.
CPU/application is stopped. Start CPU
(change into Run mode).
5. Troubleshooting
Note
Summary of Contents for Melsec WS Series
Page 1: ...Safety Controller Ethernet Interface Module User s Manual WS0 GETH ...
Page 2: ......
Page 89: ...Procedures before operation MELSEC WS 86 ...
Page 90: ...MELSEC WS Procedures before operation 87 ...
Page 91: ...Procedures before operation MELSEC WS 88 ...
Page 97: ...Procedures before operation MELSEC WS 94 ...
Page 98: ...MELSEC WS Procedures before operation 95 ...
Page 99: ...Procedures before operation MELSEC WS 96 ...
Page 141: ......