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Situation |
Solution |
|---|---|
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Malfunction Fan Control board or SMPS board. |
Measure on the Signal Backplane the ++12V voltage on pin 1, 2 or 3 of the connector of the black wire unit which comes from the SMPS board. See image. If the measured voltage is about12V then replace the Fan Control board. See "Removing a board in the card cage". Otherwise replace the SMPS board. See"Replacement of the Switched Mode Power Supply". |
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