Emerson FB3000 - Page 93

FB3000 RTU Instruction Manual
D301851X012
November 2023
Service and Troubleshooting 79
Table 5-2. LED Descriptions – 12-Channel Mixed I/O Module
LED
Color/State
Meaning
Module Status
GREEN
Power good
RED
Failure
Off
No power
Communication
Status
Flashing GREEN
Message send to CPU in progress
RED
No communications with CPU
Flashing RED every 4
seconds
Boot mode
Termination Board
Status
Flashing GREEN
Firmware update in progress
GREEN
Personality module installed
RED
Personality module missing or
mismatched type
AI/DI/PI 1 through
AI/DI/PI 8
Flashing GREEN
GREEN
Normal
Flashing RED
In alarm
RED
Failure
Flashing ORANGE
Override and failure
ORANGE
Override
Off
Disabled
AO1 and AO2
GREEN
Normal
Flashing RED
In alarm
RED
Failure
Flashing ORANGE
Override and failure
ORANGE
Override
Off
Disabled
DO1 and DO2
GREEN
DO is on
Flashing RED
(Reserved)
RED
Failure
Flashing ORANGE
Override and failure
ORANGE
Override
Off
DO is off