Q-Logic 59096-04 Manuel D’Utilisation

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5 – Diagnostics/Troubleshooting
Power Supply Diagnostics
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5.4
Power Supply Diagnostics
A model 5202/5602 switch power supply has a Status LED (Green) and a Fault 
LED (Amber) as shown in 
. Under normal operating conditions, the 
Power Supply Status LED is illuminated and the Power Supply Fault LED is 
extinguished.
Figure 5-3.  Model 5202/5602 Switch Power Supply LEDs
Consider the following indications:
„
All power supply LEDs are normal, yet the System Fault LED is illuminated 
and the Heartbeat LED does not show a blink pattern. This means that the 
two power supplies have different air flow directions. Replace the power 
supply with the incorrect air flow direction with another having the correct air 
flow direction. Air flow direction is marked on the power supply part number 
label. Refer to 
.
„
Power Supply Fault LED is illuminated. This means that the power supply is 
failing or has failed. Replace the power supply with another having the same 
air flow direction. Air flow direction is indicated on the power supply part 
number label. Refer to 
                                                                                           
Power Supply 
Status LED
Power Supply 
Fault LED