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8-2
Troubleshooting
MODULE Status Indicator
The MODULE status indicator is a bicolor (red and green) LED.
Status
Off
Flashing
Red
Solid Red
Flashing
Green
Solid Green The 1769-SM1 module has
Flashing
Red/Green
Orange
Cause
The 1769-SM1 module is not
powered.
The 1769-SM1 module's
configuration data is not valid.
The 1769-SM1 module was
unable to establish
communication with the
controller.
The 1769-SM1 module is
establishing communications
with the controller.
established communications
with the controller.
The 1769-SM1 module is in
boot mode.
The 1769-SM1 module is in
reset.
Corrective Action
Apply power to the 1769-SM1 module.
• Change the controller configuration
data to valid settings.
• Reset the 1769-SM1 module
parameters to their default settings, and
then reset the 1769-SM1.
Cycle power to the controller.
Normal behavior – no action required.
Normal behavior – no action required.
Flash download the application code to the
1769-SM1 module.
• Cycle power to the controller.
• Replace the 1769-SM1 module.
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