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Power supply problems

Problem Possible Causes Corrective Actions
The K2 Summit system will not power on or power fails while the K2 Summit system is in operation. This can be accompanied by a StatusPane message indicating a power supply problem prior to the failure. The power source is faulty. Make sure your power source is reliable.
A power cord is faulty. Both power supplies run and the K2 Summit system can operate with just one power cord connected. Connect one power cord at a time and test with a replacement cord.
The K2 Summit system is too hot. The built-in overtemperature protection can shut down the power supply. Check for thermal problems. Cool the K2 Summit system.
The power supply is faulty. This is indicated if the front panel power indicator does not come on. Replace the power supply.
Power supply “~AC” LED is amber Over temperature due to air flow restriction. Check for and remove any air flow blockage around the power supply.
Over temperature due to power supply fan failure. Visually inspect fan. Listen for fan noise. If faulty, replace power supply.
Over current, under voltage, over voltage. These conditions could be caused by a faulty FRU module. Disengage all FRU modules, then re-engage one at time. If one module causes the amber LED to go on, replace the module. If both power supplies have the amber LED, disengage one, then the other. If doing so results in just one power supply having the amber LED, replace that power supply.

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