
Is the power on/standby button LED amber?
Possible SolutionsPossible ReasonsAnswer
No action required.System functioning properly.No
Yes
• Firmly press the power on/standby
button and hold for approximately
three seconds.
• The power on/standby button has
not been pressed firmly or held
long enough.
• • Be sure that all components are fully
seated.
The system midplane and/or
power button/LED assembly might
need to be replaced.
• Contact an authorized service
provider for assistance.
Is the power supply LED amber?
ActionsPossible ReasonsAnswers
No
• Remove and inspect the AC power
cords from both power supplies and
reconnect them.
• Both power cords not connected or
AC power is unavailable.
• Power supply functioning properly.
• No action required.
Yes
• Verify AC input power.• This supply is not receiving AC
power, but the other supply is
receiving AC power.
• Be sure that the power supply is
undamaged and is fully seated.
NOTE: It is possible for one
power supply to show a green
status and the other supply to show
an amber status.
• Be sure that all pins on connectors
and components are straight.
• Contact an authorized service
provider for assistance.
• Power supply might not be inserted
properly, might have a damaged
connector, or might have failed.
Is the I/O module fault LED amber?
Possible SolutionsPossible ReasonsAnswer
No action required.Functioning properly.No
Yes
• Make sure that the I/O module is
seated properly by pressing the I/O
• The I/O module is locked.
• The I/O module has failed.
module firmly into its bay after the
handle has clicked in place.
• Other fault condition exists.
CAUTION: Never remove an I/O
module from the chassis while the
status LED is green. Removing an
active I/O module can result in data
loss.
• Contact an authorized service
provider for assistance.
170 Troubleshooting
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