Emerson FB1100 Instruction Manual page 58

Emerson FB1100 Flow Computer Instruction Manual
D301752X012
August 2020
Table 4-1: LED Descriptions
LED
Link LED
Input LED
Status LED
Alarm LED
Table 4-2: Special LED Sequences using Multiple LEDs
LED Sequence
Link, Input, Status, and Alarm all solid RED
Link and Alarm alternately flash RED; sequence
repeats
54
Color/State
GREEN
GREEN
Flashing YELLOW
GREEN
RED
YELLOW
Off
Flashing GREEN
Momentary GREEN —
approximately every 6
seconds
Alternating RED, GREEN,
YELLOW
GREEN
Flashing RED
RED
Meaning
An active wired Ethernet connection exists.
Otherwise it is off. (FB1200/FB2200 only)
One of the IR buttons is being pressed.
CPU booting or CPU has not yet recognized
HMI module when HMI first powered on; goes
off when recognized.
OK - Normal
Unit failed
Low power source/change battery soon
(FB1100 Flow Computer with lithium battery
pack only)
No power
System is booting
HMI module is in sleep mode (to reduce
power consumption); LED goes on when HMI
module checks the "Hold to Wake" IR button.
HMI module boot firmware loaded but no
application is present. You may see this
during an HMI firmware update.
No alarms.
HMI firmware update in progress.
Alarms are present.
Color/State
HMI module failed. Replace with spare or
return for repairs.
CPU stuck in boot mode. Contact technical
support.
Service and Troubleshooting