IBM Power System Series Manual page 16

Use the blue identify LED on the enclosure to locate the system. Ensure that the serial number of the
system matches the serial number to be serviced.
2. Place your fingers on the indentations and pull the latches (B) located on both sides of the cover as
shown in the following figure.
Pull the cover (A) away from the system.
CAUTION: The fans can pull in hair, jewelry, loose clothing, and so forth, and cause injury or
damage. Operate the system with the bezel installed. For service operations, if the front cover
must be removed with the system operating, ensure that all such loose material is secured
away from the fan area, to prevent any loose material from being pulled into the fan.
Figure 11: Removing the front cover
3. Determine whether the repair operation can continue when the system power is turned on.
To continue the repair operation when the system power is turned on, the following conditions must be
true:
• Fans must be installed in all four slots.
Each of the four fans has a green LED and an amber LED, as shown in Figure 12 on page 13. The
green LED is lit solid for all four fans, but the fan with the failure has the amber fault LED lit.
12 Power Systems: Temple's Zeppelin procedures for install, remove, replace