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Table 8-3: IOM Indicator Definition
Figure
Item
LED
LED
State/Color
Description
1 Module
Status LED
OFF No Power
Solid Red Hardware Failure
Blinking
Red
See [LED Failure Definition]section
Solid
Green
Cold start with passing diagnostics
Blinking
Green
Normal scanning
2 Channel
LEDs
Green ON For Inputs, indicates On status of the field input
even if Forced to the opposite state.
Green OFF For Inputs, indicates Off status of the field input
even if Forced to the opposite state.
To indicate the type of diagnostic failure, the module’s status LED is
flashed red with a number of quick strobes followed by a long off
time. The table below outlines the potential module diagnostics. The
following table outlines the potential module diagnostics.
Chapter 8 - Diagnostics and Troubleshooting
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