IBM System x3650 M4 Type 7915 Installation And User Manual page 36

v Remind button: This button places the system-error LED/check log LED on the
v Reset button: Press this button to reset the server and run the power-on
Light path diagnostics LEDs: The following table describes the LEDs on the light
path diagnostics panel and suggested actions to correct the detected problems.
Table 2. Light path diagnostics panel LEDs
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
LED Description
Check log LED An error has occurred and cannot
be isolated without performing
certain procedures.
System-error An error has occurred.
LED
PS When only the PS LED is lit, a
power supply has failed.
PS + CONFIG
When both the PS and CONFIG
LEDs are lit, the power supply
configuration is invalid.
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System x3650 M4 Type 7915: Installation and User's Guide
front information panel into Remind mode. In Remind mode, the system-error
LED flashes every 2 seconds until the problem is corrected, the system is
restarted, or a new problem occurs.
By placing the system-error LED indicator in Remind mode, you acknowledge
that you are aware of the last failure but will not take immediate action to correct
the problem. The remind function is controlled by the IMM2.
self-test (POST). You might have to use a pen or the end of a straightened paper
clip to press the button. The Reset button is in the lower right-hand corner of the
light path diagnostics panel.
Action
1. Check the IMM2 system event log and the system-error
log for information about the error.
2. Save the log if necessary and clear the log afterwards.
1. Check the light path diagnostics LEDs and follow the
instructions.
2. Check the IMM2 system event log and the system-error
log for information about the error.
3. Save the log if necessary and clear the log afterwards.
The system might detect a power supply error. Complete the
following steps to correct the problem:
1. Check the power-supply with a lit yellow LED (see
"Power-supply LEDs" on page 25).
2. Make sure that the power supplies are seated correctly
and plugged in a good AC outlet.
3. Remove one of the power supplies to isolate the failed
power supply.
4. Make sure that both power supplies installed in the server
are of the same AC input voltage.
5. Replace the failed power supply (see "Installing a
hot-swap ac power supply" on page 115).
If the PS LED and the CONFIG LED are lit, the system issues
an invalid power configuration error. Make sure that both
power supplies installed in the server are of the same rating
or wattage.