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Troubleshooting
User Manual 23
51
5 Troubleshooting
5.1 LED indicators
LED Number/Name Status Meaning
EtherNet
1Module
Status
Off No power applied to the module.
Solid green The module is operating correctly.
Flashing green Standby; the module has not been initialized.
Flashing red Minor fault. The module may or may not be able to recover.
Solid red Major fault. No recovery is possible. The module must be retuned to
Micro Motion for repair. See the manual for the return policy.
Flashing green/red Self-test.
2Network
Status
Off The module has not power or no IP address has been assigned.
Solid green The module has at least one established EtherNet/IP connection.
Flashing green There are no EtherNet/IP connections established to the module.
Flashing red One or more of the connections to this module has timed out.
Solid red The module has detected that its IP address is already in use.
Flashing green/red Self-test.
N/A 3 Link Off The module does not sense a link.
Green The module is connected to an Ethernet network.
N/A 4 Activity Flashing green Packet is received or transmitted.
Modbus Serial
5 Subnet
Status
Off Power off.
Flashing green Running correctly, but one or more transaction errors has occurred.
Green Running.
Red Transaction error/timeout or network stopped. Check the Modbus serial
network wiring and configuration, especially the baud.
Flashing red Missed transactions.
6Device
Status
Off Power off.
Flashing red/green Configuration missing or invalid.
Red Contact Micro Motion customer service.
Flashing red Contact Micro Motion customer service.
Green Initializing.
Flashing green Configuration OK.