Emerson FB3000 Instruction Manual page 93

Table 5-2. LED Descriptions – 12-Channel Mixed I/O Module
LED
Module Status
Communication
Status
Termination Board
Status
AI/DI/PI 1 through
AI/DI/PI 8
AO1 and AO2
DO1 and DO2
Service and Troubleshooting
Color/State
GREEN
RED
Off
Flashing GREEN
RED
Flashing RED every 4
seconds
Flashing GREEN
GREEN
RED
Flashing GREEN
GREEN
Flashing RED
RED
Flashing ORANGE
ORANGE
Off
GREEN
Flashing RED
RED
Flashing ORANGE
ORANGE
Off
GREEN
Flashing RED
RED
Flashing ORANGE
ORANGE
Off
FB3000 RTU Instruction Manual
Meaning
Power good
Failure
No power
Message send to CPU in progress
No communications with CPU
Boot mode
Firmware update in progress
Personality module installed
Personality module missing or
mismatched type
Normal
In alarm
Failure
Override and failure
Override
Disabled
Normal
In alarm
Failure
Override and failure
Override
Disabled
DO is on
(Reserved)
Failure
Override and failure
Override
DO is off
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November 2023
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