Power Supply Status - IBM SAN768B-2 User Manual

Power supply status

Complete the following steps to determine the status of a power supply.
1. Check the LED indicator on the power supply (see Figure 26 on page 75). The
2. Check the power supply status by entering psShow. The power supply status
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SAN768B-2 Installation, Service, and User Guide
Table 9. CR16-8 blade LED descriptions (continued)
LED purpose Color
Status No light (LED is off)
Steady amber
Slow-flashing amber
(on 2 seconds; then
off 2 seconds)
Fast-flashing amber
(on 1/2 second; then
off 1/2 second)
QSFP connector No light (LED is off)
status LED
Steady amber
Blinking amber
Steady green
LED patterns may temporarily change during POST and other diagnostic tests;
for information about how to interpret the LED patterns, see Table 10 on page
75.
displays OK, Absent, or Faulty. If a power supply displays absent or faulty,
contact IBM. Both physically absent or faulty could also be the result of the
power supply not being properly seated or being turned off.
Recommended
Status Action
CR16-8 blade is Verify that the power
either healthy or LED is on.
does not have power.
CR16-8 blade is Ensure that the blade
faulty or the system is firmly seated and
is still booting. the system has
completed booting. If
LED remains amber,
contact IBM.
CR16-8 blade is not Pull blade out and
seated correctly or is reset it. If LED
faulty. continues to flash,
replace blade.
Environmental range Check for
exceeded. out-of-bounds
environmental
condition and correct
it.
No QSFP module, all No action needed if
four QSFP ports are the QSFP is not
disabled installed or verify
that the QSFP is fully
inserted.
QSFP module is in, Ensure that the cable
all four ports have no is properly
signal/no sync. connected. If the LED
remains amber,
contact IBM.
Port is disabled or Check for console
faulted, FC link messages or wait for
activity, segmented, all four ports to come
loopback mode, also online.
during transition
between cable plug
in and all four ports
online.
QSFP module is in No action needed.
and all ports are
online.