Emerson FB1100 - Switch and Buttons

FB1100 Flow Computer Instruction Manual
D301752X012
November 2023
56 Service and Troubleshooting
Table 4-1. LED Descriptions
LED
Color/State
Meaning
Link LED GREEN
An active wired Ethernet connection exists.
Otherwise, it is off. (FB1200/FB2200 only)
Input LED
GREEN
One of the IR buttons is being pressed.
Flashing YELLOW
CPU booting or CPU has not yet recognized HMI
module when HMI first powered on; goes off
when recognized.
Status LED GREEN
OK – Main power battery pack charged or not in
use.
Flashing RED
Main power battery pack low. Replace/re-charge
lead acid battery pack soon. (If FB1100 Flow
Computer with lithium battery pack– replace
battery pack.)
Flashing YELLOW
FB1100 Flow Computer with lithium battery
pack only: Unit has switched to C cell battery
internal to battery pack. Replace battery pack
soon.
Off
No power
Flashing GREEN
Main power battery pack charging
Alarm LED
GREEN
No alarms.
Flashing RED
HMI firmware update in progress.
RED
Alarms are present.
Table 4-2. Special LED Sequences Using Multiple LEDs
LED Sequence
Color/State
Link, Input, Status, and Alarm all solid RED
HMI module failed. Replace with spare
or return for repairs.
Link and Alarm alternately flash RED;
sequence repeats
CPU stuck in boot mode. Contact
technical support.
4.3 Switch and Buttons
A momentary switch and two push-buttons on the HMI module provide trouble-shooting
options for the flow computer.
DANGER
EXPLOSION HAZARD: Never remove end cap(s) in a hazardous location. Removing end
cap(s) in a hazardous location could result in an explosion.