• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Appendix A: Summary of LED Operation
Status Display Operation
The 7847i/7847i-E Status Display has three LEDs used to indicate message and device
status:
•
STATUS, green
•
MESSAGE, yellow
•
FAULT, red
Figure 11. 7847i/7847i-E Status Display LEDs with Front Cover Installed
Each LED can have four different states - ON, OFF, FAST BLINK and SLOW BLINK.
Throughout this document, the following key is used to describe LED state:
GREEN
(STATUS)
YELLOW
(MESSAGE)
RED
(FAULT)
ON
OFF
Figure 12. LED Key
FAST BLINK
SLOW BLINK
7847i-E-033-V0
Appendices
7847i-E-025-V0
A-1