User guide

23Fabric OS 4.4.x release notes
No light (LED
is OFF)
Port card is either healthy or
does not have power.
Verify that the port card
power LED is on.
NOTE: Check the individual port card (see Figure 15 on page 81) or CP
card status LEDs (see Figure 16 on page 85) on the port side of the chassis to
confirm the LED patterns.
Power supply/
Power/Status
Steady green Power is OK. No action required.
Steady amber Power supply is faulty. Ensure that the correct AC
power switch is on and the
power supply is seated. If
LED remains on, replace
the power supply.
Slow-flashing
amber
FRU header (SEEPROM cannot
be read) due to I2C problem.
Replace power supply.
Fast-flashing
amber
Power supply is about to fail
due to failing fan inside the
power supply.
Replace power supply.
No light (LED
is OFF)
No power supply present or is
not inserted/seated properly,
or power source is unavailable.
Insert power supply
module, ensure it is seated
properly, or check AC
switch or power source.
Table12: WWN Bezel LED Patterns
LED Name,
Location
LED Color Status of Hardware Recommended Action