User Guide

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Troubleshooting
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Condition/Symptom Solution
Power-up tests fail. Inserting a CRU while the power-up tests are running can
cause the tests to fail. Insert all CRUs and cycle power to
rerun the power-up tests.
No FRU LEDs on and fans not running Indicates no AC power is being delivered to the array’s
power supply(s). Check input AC power. If AC power is
present, remove array power supply(s) and check for AC
power at the internal AC power supply plug.