Emerson FB3000 - Page 94

FB3000 RTU Instruction Manual
D301851X012
November 2023
80 Service and Troubleshooting
Special LED Sequence:
Communication Status and Termination Status alternating flashing GREEN rapidly
indicates power for the module has fallen to power trip point; there is not enough power
for the module – I/O held at current state.
Notes
 Any kind of failure takes priority over an alarm.
 Any kind of alarm takes priority over override and normal.
 Failure of an I/O point is reported for one or more of these conditions:
o This is a second-level bullet Value above URL (Upper range limit)
o Value below LRL (Lower range limit)
o Point fail
o Read back fail
o Invalid Scaled Pulse Output parameter reference
o Invalid auto read parameter reference
o Communications
failure
Table 5-3. LED Descriptions 4-Channel HART 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
Flashing RED every
second
Boot card failure. Return
module to factory for repair.
Termination Board Status
Flashing GREEN
Firmware update in progress
GREEN
Personality module installed
RED
Personality module missing or
mismatched type
YELLOW
Firmware incompatibility
between CPU and I/O module.
Review release notes and
Board Info in FBxConnect and
upgrade or downgrade