5 - 2 WBPEEUI240774A0
Status LEDs
Status LEDs
The IMASI23 module has two LEDs, one red and one green,
that show its operating status.
• Red flashes on power up.
• Both remain off after passing onboard diagnostics until the
ASI module is configured by the controller.
• Green is solid after the controller downloads configuration
data.
• Green is solid during normal running.
• Blinking green when the controller that configured the ASI
module enters configure mode from execute mode.
• Blinking green if I/O expander bus communication is lost
(if the controller is removed).
• Red is solid if a fatal failure of the ASI module occurs. For
example, if power up diagnostics fail.
• Red is solid for a power fail interrupt (PFI).
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