Intel SR1690WB Service Guide - Page 36
Table 4. Control Panel LED Functions
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Table 4. Control Panel LED Functions LED Color System ID Blue System Status Green Green Amber Amber - State On Off On Blink On Blink Off Description Identify Active via command or button No Identification System Ready / No Alarm System ready, but degraded: redundancy lost such as the power supply or fan failure; non-critical temp/ voltage threshold; battery failure; or predictive power supply failure. Critical Alarm: Critical power modules failure, critical fans failure, voltage (power supply), critical temperature and voltage Non-Critical Alarm: Redundant fan failure, redundant power module failure, non-critical temperature and voltage AC power off: System unplugged AC power on: System powered off and in standby, no prior degraded\non-critical\critical state Note: Blink rate is ~1 Hz at 50% duty cycle. It is also off when the system is powered off (S5) or in a sleep state (S1). The power LED sleep indication is maintained on standby by the chipset. If the system is powered down without going through the BIOS, the LED state in effect at the time of power off is restored when the system is powered on until the BIOS clear it. If the system is not powered down normally, it is possible the Power LED will blink at the same time the system status LED is off due to a failure or configuration change that prevents the BIOS from running. 18 Intel® Server System SR1690WB Service Guide