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Some NAS models support a redundant power supply. What is the use of the red button on the power supply?

April 26, 2017button models NAS power red redundant supply support

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Some NAS models support a redundant power supply. What is the use of the red button on the power supply?

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The red button is used for reactivating power when an error occurs. When the power protection mechanism is enabled, or an alarm buzzer sounds, or the power supply is not functioning properly, press the red button to reset and check if the power supply works. If not, power damage may have occurred and the machine should be sent for RMA.