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Convention
Power Indicator
Pattern
D
Flashing amber
E
Not lit
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.
Figure 10. Non-redundant AC PSU status indicator and self-diagnostic button
1. self-diagnostic button
2. AC PSU status indicator
Table 9. Non-redundant AC PSU status indicator
Power Indicator Pattern
Not lit
Green
Locating Service Tag of your system
Your system is identified by a unique Express Service Code and Service Tag number. The Express Service Code and Service Tag are found
on the front of the system by pulling out the information tag. Alternatively, the information may be on a sticker on the chassis of the
system. This information is used by Dell to route support calls to the appropriate personnel.
Description
NOTE:
Ensure that both the PSUs are of the same capacity.
NOTE:
Mixing PSUs from previous generations of Dell servers can result in a
PSU mismatch condition or failure to turn the system on.
Indicates a problem with the PSU.
CAUTION:
flashing indicator. Swapping the other 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:
exception of Titanium PSUs, which support only 220 V. When two identical
PSUs receive different input voltages, they can output different wattages,
and trigger a mismatch.
CAUTION:
same maximum output power.
Power is not connected.
Condition
Power is not connected or PSU is faulty.
A valid power source is connected to the PSU and the PSU is operational.
When correcting a PSU mismatch, replace only the PSU with the
AC PSUs support both 220 V and 110 V input voltages with the
If two PSUs are used, they must be of the same type and have the
Dell DSS 1510 system overview
17
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Troubleshooting
