Replace a power supply
Take the following actions to remove the faulted power supply and install the
replacement power supply into the system.
Identifying and locating the faulted part in Unisphere
Before you replace a faulted part, locate its placement within the storage system.
Procedure
1. In Unisphere, select System View.
2. Select the Enclosures page.
3. Locate the faulted part marked orange, and displayed in the Enclosures view.
DPE power supply LEDs
Use the fault LEDs to identify the faulted part.
Figure 31 DPE power supply LEDs
Table 3 DPE power supply LEDs
LED Location State Description
AC power (input) Green AC power is on.
Off AC power is off. Verify source
power
DC power (output) Green DC power is on.
Off DC power is off. Verify source
power.
Fault Solid amber Power supply or backup fault.
Check cable connection.
Blinking
amber
BIOS, POST, and OS starting
up or system overheating.
Off No fault.
Remove a power supply
There are two power supplies. The power supplies are installed in the top and bottom
SP assembly, and the top power supply is installed upside-down. This procedure works
for removing either power supply, however, the direction in which the release handle
Service Procedures
46 Unity 480/F, Unity 680/F, Unity 880/F Installation and Service Guide