Appendix: SAN Installation
LED Display
Temperature and Ventilation Status
When the LED is green, the blowers are operating at an acceptable RPM, and the inter- nal temperature sensors are within acceptable limits.
The LED alternates green and red to indicate a predicted failure of one blower or an alarmingly rapid increase in temperature.
If the LED is red, a blower has failed or the unit is too hot, and an audible alarm will sound.
Power Supply Status
The LED is green if both power supplies are functional.
The LED is red if either power supply has failed, and an audible alarm will sound. In this scenario, an authorized service personnel should examine the LEDs on each power sup- ply module to determine which has failed.
WARNING: Inadvertently removing the functional, surviving power supply will result in system failure and possible data loss.
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