Galaxy 65 User Guide
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2Check the Drive Select ID settings on your Galaxy 65 Subsystem and on your system host.
3Check that the LEDs on all installed drive carrier modules are illuminated Green. Note that the drive LEDs
will not be lit during drive spinup.
4Check that all drive carrier modules have been correctly installed.
5Check that there is a valid FC-AL signal present at the I/O connector. If there is no signal present check
that the cable has not been inverted during installation.
6Check the I/O module setup as follows:
Check that the I/O module has been correctly installed and all external links and cables are
securely fitted.
Check the maximum cable length has not been exceeded.
7.2 LEDs
Green LEDs are always used for good or positive indication, flashing Green/Amber if non-critical
conditions exist. Amber LEDs indicate there is a critical fault present within the module.

7.2.1 Power Supply/Cooling Module

The Power Supply Cooling LEDs are shown in Table 7–1.
Under Normal conditions the LEDs should all be illuminated constant GREEN
If a problem is detected the color of the relevant LED will change to AMBER.

7.2.2 Ops Panel

The Ops Panel displays the aggregated status of all the modules. The Ops Panel LEDs are shown in
Figure 7–1 and defined in Table 7–2.
For details on how to remove and replace a module see Section 7.12.
Table 7–1 PSU LEDs
PSU Good Green
AC input Fail Amber
Fan Fault Amber
DC Output Fail Amber