IBM SAN42B-R, Installation, Service And User Manual

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1
- Power supply DC status LED
2
- Power supply AC status LED
3
- Fan status LED
Table 7 describes the non-port side LEDs and their behavior.
Table 7. Nonport side LED patterns during normal operation
LED name LED color Status of hardware Recommended action
Power supply
AC input status
(one green
LED) No light Power supply is not receiving AC
input voltage or AC input voltage is
below operational limit. Verify that the power supply is
properly seated and the power cord is
connected to a functioning AC power
source.
Steady green AC input voltage is within operational
range. No action required.
Power supply
DC output
status (one
bi-color LED) Flashing amber
(1:1) Output voltage is not enabled. Verify that the power supply is fully
seated and that the captive screw is
secured.
Flashing
amber/green
(2:1) Over temperature warning. Verify that ambient temperature is less
than 40° C (104° F) and check for
intake airflow blockage.
Flashing
amber/green
(1:1) Internal fan is out of regulation. Replace the power supply.
Steady amber Power supply is faulty or not plugged
in completely. Check the power cord, current, voltage,
and temperature to determine the
problem.
Steady green DC output OK. No action required.
Fan assembly
status (one
bi-color LED) No light (LED is
off) Fan assembly is not receiving power. Verify that the fan FRU is seated
correctly.
Steady green Fan assembly is operating normally. No action required.
Steady amber
(for more than 5
seconds) One or more of the fans in the fan
assembly has failed. Replace the faulty fan assembly.
3
1 2
b42r018
Figure 20. Nonport side LEDs
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SAN42B-R Installation, Service, and User Guide