I/O Indicators - Honeywell ControlEdge 900 platform Hardware Planning And Installation Manual

Chapter 8 - Diagnostics and Troubleshooting
Figure
LED
Item
1 Module
Status LED
2 RS232 LEDs
4 RS485 LEDs

I/O Indicators

172
LED State/Color
Solid Orange
Blinking Red at 1 Hz
Blinking Red at 0.5 Hz
Solid Green
Blinking Green and
Orange at 0.5 Hz
Blinking Orange
Blingking Green
Blinking Yellow
OFF
Blinking Orange
Blingking Green
OFF
The following diagram displays the location of the LED indicators on
the I/O modules. The table below explains the meaning of each LED
state.
Figure 8-2: I/O Indicators
Description
Boot
System in running state with
error
Module offline or
unconfigured
System good in running state
without error.
Firmware Upgrade
TX
RX
TX and RX
No communication
TX
RX
No communication