IBM AA-RWF3A-TE manual Fan Status LEDs, Items required, Procedure

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	Fan fault for one of the following reasons:	Verify that the fan FRU is enabled. If the fan
for more than 5	One or more of the fans in the fan assembly	FRU is enabled, it is faulty and should be
seconds		replaced.
	has failed.
	The fan FRU was disabled by the user.

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