Section 9
Troubleshooting
9.1
Checking LED indications
LED indicators describe the state of the RIO600 modules. Each module has indication
LEDs showing the state of module functionality. Generally, each module is able to
show whether it is functioning properly. Communication and binary I/O states are
shown with separate LEDs.
•
Check the details of RIO600 WHMI to view the error conditions.
Table 173:
LED indicators (PSMH and PSML)
LED
Color
State
Description
Ready
Green
ON
PSMH is healthy
Ready
Green
OFF
Power is not available
or PSMH is not working
Table 174:
LED indicators (LECM)
LED
Color
State
Description
Ready
Green
ON
LECM is ready
Ready
Green
Flashing
LECM is ready and in
test mode or
FACTORY reset
operation in progress
IRF
Red
OFF
LECM is healthy
IRF
Red
ON
LECM is in error
condition
IRF
Red
Flashing
LECM is in warning
condition
Ethernet link
Green
ON
Link is established
Ethernett link
Green
OFF
Link broken/not
established/connected
to 10 Mbps network
Ethernet data
Yellow
Flashing
Data communication
Ethernet data
Yellow
ON
No data on Ethernet
link
Ethernet data
Yellow
OFF
Link broken
1MRS757488 H
Section 9
Troubleshooting
RIO600
273
Installation and Commissioning Manual
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