Emerson FB3000 Instruction Manual page 78

Emerson FB3000 RTU Instruction Manual
D301851X012
October 2022
LED
COM1, COM2,
COM3, COM4
ISO+T
V+
Special Diagnostic LED Sequence
A repeating sequence of: Module Status GREEN then OFF, Communication Status RED then OFF,
USB GREEN, then OFF indicates a hardware failure: return the CPU module to factory for repair.
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
68
Color/State
GREEN
RED
ORANGE
Off
GREEN
GREEN
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
Meaning
Receive on this port in progress.
Transmission on this port in progress.
Receive and transmit in progress.
No transmissions active
RS-485 communications enabled on
COM3 or COM4
Power applied to personality module.
Meaning
Power good
Failure
No power
Message send to CPU in progress
No communication 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
Service and Troubleshooting