IBM AA-RWF3A-TE - Manual (Page 71)

4/8 and 4/16 SAN Switch system Status LED patterns
The system status LED patterns are described in Table 10 .
Table 10 System status LED patterns during normal operation
LED name LED color Hardware status Recommended action
No light Switch is off, boot is not complete,
or boot failed.
Verify that switch is on and has
completed booting.
Steady green Switch is operational. No action required.
Slow flashing
green (1
second on,
1 second off)
One or both of the following are
true:
One or more environmental
ranges were exceeded.
Error log contains one or more
port diagnostic error messages.
Check environmental conditions,
error log, Port Status LEDs, SFPs,
cables, and loopback plugs.
Correct error condition.
Clear error log.
Rerun diagnostics to verify fix.
System Status
LED
Amber Switch is faulty or initializing. Wait a few moments to verify that the
switch is not initializing.
SAN Switch installation guide 71