Dell EMC PowerEdge R620 Owner's Manual page 17

Figure 8. AC Power Supply Status Indicator
1 AC power supply status indicator/handle
Figure 9. DC Power Supply Status Indicator
1 DC power supply status indicator
Power Indicator Condition
Pattern
Not lit Power is not connected.
Green The handle/LED indicator lights green indicating that a valid power source is connected to the power supply and
that the power supply is operational.
Flashing amber Indicates a problem with the power supply.
CAUTION: When correcting a power supply mismatch, replace only the power supply with the flashing
indicator. Swapping the opposite power supply 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 power down the system.
CAUTION: AC power supplies support both 220 V and 110 V input voltages with the exception of
Titanium power supplies, which support only 220 V. When two identical power supplies receive different
input voltages, they can output different wattages, and trigger a mismatch.
CAUTION: If two power supplies are used, they must be of the same type and have the same maximum
output power.
About your system 17