Determining the status of a fan – Brocade VDX 8770-8 Hardware Reference Manual User Manual

Page 77

Brocade VDX 8770-8 Hardware Reference Manual

53-1002564-04

Determining the status of a fan

Complete the following steps to determine the status of a fan.

1. Check the LED indicators on the fan (refer to

Figure 18

). The LED patterns may temporarily

change during POST and other diagnostic tests; for information about how to interpret the LED
patterns, refer to

Table 16

. The Brocade VDX 8770-8 has up to four fans. Be sure to check

each module.

2. Check the fan status using the show environment fan {rbridge-id rbridge-id | all} command.

Refer to

Table 15

for possible results from this command. The RPM of each fan is also

provided. If a fan displays absent or faulty, contact the Brocade VDX 8770-8 supplier to order
replacement parts. Both physically absent or faulty could also be the result of the fan not being
properly seated.

NOTE

You can also use the show system command.

Figure 18

on page 58 shows a fan module.

ALM

No light
(LED is off)

The power supply has not failed.

No action required.

Steady amber

The power supply has failed.

Replace the power supply.

TABLE 14

Power supply LED descriptions (Continued)

LED purpose

Color

Status

Recommended action