Emerson FB1200 Instruction Manual page 84

Emerson FB1200 Flow Computer Instruction Manual
D301782X012
July 2017
Status LED
Alarm LED
Table 5-2: Special LED Sequences using Multiple LEDs
LED Sequence
Link, Input, Status, and Alarm all solid RED
Link and Alarm alternately flash RED; sequence
repeats
78
Flashing YELLOW
GREEN
RED
YELLOW
Off
Flashing GREEN
Momentary GREEN – approximately every
6 seconds
Alternating RED, GREEN, YELLOW
GREEN
Flashing RED
RED
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 with lithium battery 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