IBM AA-RWF3A-TE - Manual (Page 104)

Table 20 describes the Fan Status LEDs and provides corrective actions.
Table 20 Fan Status LEDs
LED color Meaning Corrective action
No light Fan assembly is not receiving power. Verify that the fan assembly is seated in the
switch.
Steady green Fan assembly is operating normally. No action required.
Steady amber
for more than 5
seconds
Fan fault for one of the following reasons:
One or more of the fans in the fan assembly
has failed.
The fan FRU was disabled by the user.
Verify that the fan FRU is enabled. If the fan
FRU is enabled, it is faulty and should be
replaced.
Items required
Replacing a 4/64 SAN Switch fan assembly takes approximately two minutes and
requires the following items:
• New fan assembly
• Phillips #1 screwdriver
Procedure
To replace a fan assembly in a 4/64 SAN Switch:
1. Unscrew the captive screw on the fan assembly using a Phillips screwdriver.
2. Remove the fan assembly from the chassis by pulling the handle out away from the
chassis.
3. Orient the new fan assembly as shown in Figure 36 on page 105, with the captive
screw on the left.
4. Gently push the new fan assembly into the chassis until it is firmly seated.
5. Secure the fan assembly to the chassis by tightening the captive screw.
104 Installing field-replaceable units