Figure
Item
LED LED State/Color Description
1 Module
Status LED
Solid Orange Boot
Blinking Red at 1 Hz System in running state with
error
Blinking Red at 0.5 Hz Module offline or
unconfigured
Solid Green System good in running state
without error.
Blinking Green and
Orange at 0.5 Hz
Firmware Upgrade
2 RS232 LEDs Blinking Orange TX
Blingking Green RX
Blinking Yellow TX and RX
OFF No communication
4 RS485 LEDs Blinking Orange TX
Blingking Green RX
OFF No communication
I/O Indicators
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
172
Chapter 8 - Diagnostics and Troubleshooting
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