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5 – Diagnostics/Troubleshooting
Chassis Diagnostics
5-12 59043-06 A
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5.2.4
Output Power LED Is Extinguished
The Output Power LED illuminates to indicate that the power supply is producing
the proper voltages. If the Output Power LED is extinguished, do the following:
1. Inspect the Power Supply Fault LED. Is the Power Supply Fault LED
illuminated?
Yes - Refer to “Power Supply Fault LED is Illuminated” on page 5-12.
No - Continue.
2. Inspect the power cables and connectors. Are the cables unplugged? Are
the cables or connectors damaged?
Yes - Make necessary corrections or repairs. If the condition remains,
continue.
No - Continue.
3. Inspect the power source. Is the power source delivering the proper voltage?
Yes - Continue
No - Make necessary repairs. If the condition remains, continue.
4. Replace the power supply module. Refer to
Section 6 Removal/Replacement. If the condition remains, contact your
authorized maintenance provider.
5.2.5
Power Supply Fault LED is Illuminated
The Power Supply Fault LED illuminates to indicate a power supply fault. Possible
fault conditions include high temperature, high output voltage, or low output
voltage. If the Power Supply Fault LED illuminates, do the following:
1. Inspect the chassis fans. Are the intake openings clear? Are all fans
operating and producing air flow?
Yes - Continue.
No - Remove any debris from fan intakes if necessary. Replace any
fan that is not operating. Refer to Section 6 Removal/Replacement. If
the condition remains, continue.
2. Consider the ambient air temperature near the switch and clearance around
the switch. Make necessary corrections. If the condition remains, continue.
3. Replace the power supply. Refer to Section 6 Removal/Replacement. If the
condition remains, contact your authorized maintenance provider.