IBM Netfinity 5100 8658 21Y, Manual

Page: 172 / 246

No Beep symptoms
No Beep
Symptom FRU/Action
No beep and the
system operates
correctly.
1. Check speaker cables
2. Speaker
3. System Board
No Beeps occur
after
successfully
completing
POST
(The
Power-On Status
is disabled.)
1. Run Configuration/Setup, set the Start
Options Power-On Status to enable.
2. Check speaker connection
3. Speaker
4. System Board
No ac power
(Power supply ac
LED is off)
1. Check the power cord.
2. Power Supply (If two are installed, swap
them to determine if one is defective.)
3. Power Backplane
4. Hot-Swap Power AC Inlet Box
No beep and no
video
1. See “Undetermined Problems” on
page 183
System will not
power-up
(Power
supply ac LED is
on)
1. See“Power supply LED errors” on
page 170
Information panel system error LED
The system error LED is turned on when an error is
detected. If the system error LED is on, remove the cover
and check the diagnostic panel LEDs (found in the upper
right corner of the processor). The following is a complete
list of diagnostic panel LEDs followed by the FRU/Action
for correcting the problem.
Note: If a diagnostic panel LED is on and the information
LED panel system error LED is off, there is
probably an LED problem. Run LED diagnostics.
Notes:
1. To locate the LEDs on the system board see “System
board layout” on page 54.
2. Check the System Error Log for additional information
before replacing a FRU.
3. The DIMM error LEDs, processor error LEDs, and
VRM error LEDs turn off when the system is powered
down.
162
: Netfinity 5100 Type 8658 Models 11Y, 21Y, 31Y,
41Y, 51Y, 1RY, 2RY, 3RY, 4RY, 5RY