Dell PowerEdge R830 EMC PowerEdge Servers Troubleshooting Guide - Page 14
Non-redundant power supply unit indicator codes
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Table 7. AC PSU status indicator (continued) Power indicator codes Condition CAUTION: If two PSUs are used, they must be of the same type and have the same maximum output power. CAUTION: Combining AC and DC PSUs is not supported and triggers a mismatch. Figure 5. DC PSU status indicator 1. DC PSU status indicator Table 8. DC PSU status indicator codes Power indicator codes Condition Green A valid power source is connected to the PSU and the PSU is operational. Blinking amber Indicates a problem with the PSU. Not illuminated Power is not connected. Blinking green When hot-plugging a PSU, the PSU indicator blinks green. This indicates that there is a PSU mismatch with respect to efficiency, feature set, health status, or supported voltage. CAUTION: When correcting a PSU mismatch, replace only the PSU with the blinking indicator. Swapping the PSU to make a matched pair can result in an error condition and unexpected system shutdown. To change from a High Output configuration to a Low Output configuration or vice versa, you must turn off the system. CAUTION: If two PSUs are used, they must be of the same type and have the same maximum output power. CAUTION: Combining AC and DC PSUs is not supported and triggers a mismatch. Non-redundant power supply unit indicator codes Press the self-diagnostic button to perform a quick health check on the non-redundant power supply unit (PSU) of the system. 14 Diagnostic indicators
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