Matrox Iris GT MIL, Installation And Technical Reference, Page: 154 / 256

154 Appendix G: Reading the LEDs
Reading the LEDs
The four light-emitting diodes (LEDs), located on the back of your Matrox
Iris GT, show the activity and state of your Matrox Iris GT.
• Power LED and User LED . The Power and User LED should be read together.
The Power and User LEDs have the following meaning:
s
LED Color Description
Power User
Off Off Matrox Iris GT has no power.
Red Red If this occurs during the power-up phase, your Matrox Iris GT is not rec12 V or +24 V +/-
10%.
If this occurs after the power-up phase, your Matrox Iris GT is experiencing critical problems while
booting. If, after a few minutes, the User LED does not blink or change color, contact Matrox Technical
support.
Red Red
(blinking) Your Matrox Iris GT is experiencing problems while booting, and the User LED is reporting the error by
blinking. For a description of LED blink codes, refer to
Reading the LEDs
section.
Red Off A critical execution is in progress.
Red Orange ROM is being updated.
Off Red A diagnostic on ROM is running.