HP LH4r HP Netserver LP 1000r User Guide - Page 9
Temperature, Steady Green, Alternating Green/Red, Steady Red, Steady Off, Fan LED
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Chapter 1 Controls, Ports, and Indicators Table 1-2. Component Indicators LED ICON Description Temperature LED This Temperature LED has four distinctive states and is linked to the two processors and a sensor on the system board. • Steady Green for normal operation. • Alternating Green/Red indicates the temperature has crossed the warning threshold. If this condition continues a system crash and possible data corruption will occur. Must take action to correct problem. • Steady Red indicates the temperature has exceeded the critical threshold. If the shutdown feature is currently enabled in HP Integrated Remote Assistant software, the Netserver shuts down to prevent processor or system board damage. By default, the shutdown feature is not enabled. Refer to Chapter 10, "Configuring the HP Netserver" to enable the shutdown feature. • Steady Off (unlit) for power off condition. NOTE Fan LED The processors used in this HP Netserver have a thermal sensor inside the processor package which monitors the chip temperature. If the processor crosses the critical threshold it shuts down operation to prevent damage to the processor, but this may cause a system crash and possible data corruption. The Temperature LED monitors these two sensors and one additional sensor on the system board. This Fan LED has four states of operation. The sensor connected to this LED monitors the speed of all four fans in the HP Netserver (including the power supply). • Steady Green for normal fan speed operation • Alternating Green/Red indicates one or all fans have slowed down (crossing warning threshold). If this condition continues a system crash and possible data corruption will occur. Must take action to correct problem before temperature starts to rise. • Steady Red indicates a fan is turning slower than its critical speed. However, this will not cause the Netserver to shutdown. • Steady Off (unlit) for power off condition. 3