About Your System 21
Power Supply Indicator Codes
Figure 1-14. Power Supply Status Indicator
1 power supply 2 power supply indicator
Power Supply Status Indicator Condition
Steady green  Power supply is on (AC OK/DC OK) or in 
standby mode (90 VAC–264 VAC)
Steady yellow  Power supply faulty 
(UVP/OVP/OCP/SCP/OTP/Fan Fault)
Yellow off Power supply is off or AC input voltage is out of 
normal operating range (90 VAC–264 VAC)
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