IBM 6000R Hardware Maintenance Manual - Page 169

No beep symptoms, Diagnostic panel error LEDs, Power Backplane

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Beep/Symptom Repeating Short Beeps One Long and One Short Beep One Long and Two Short Beeps Two Long and Two Short Beeps FRU/Action 1. Keyboard 2. System Board 1. Video adapter (if present) 2. System Board 1. Video adapter (if present) 2. System Board 1. Video adapter No beep symptoms No Beep Symptom No beep and the system operates correctly. No Beeps occur after successfully completing POST (The Power-On Status is disabled.) No ac power (Power supply ac LED is off) No beep and no video System will not power-up (Power supply ac LED is on) FRU/Action 1. Diagnostic LED Panel 1. Run Configuration/Setup, set the Start Options Power-On Status to enable. 2. Diagnostic LED Panel 3. System Board 1. Check the power cord. 2. Power Supply (If two are installed, swap them to determine if one is defective.) 3. Power Backplane 1. See "Undetermined problems" on page 186 1. See"Power supply LED errors" on page 170 Diagnostic panel error LEDs The system error LED is turned on when an error is detected. If the system error LED is on, remove the cover Symptom-to-FRU index 157

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Symptom-to-FRU index
157
No beep symptoms
Diagnostic panel error LEDs
The system error LED is turned on when an error is
detected.
If the system error LED is on, remove the cover
Repeating
Short Beeps
1.
Keyboard
2.
System Board
One Long and
One Short Beep
1.
Video adapter (if present)
2.
System Board
One Long and
Two Short
Beeps
1.
Video adapter (if present)
2.
System Board
Two Long and
Two Short
Beeps
1.
Video adapter
No Beep
Symptom
FRU/Action
No beep and
the system
operates
correctly.
1.
Diagnostic LED Panel
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.
Diagnostic LED Panel
3.
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
No beep and
no video
1.
See
“Undetermined problems”
on page 186
System will
not power-up
(Power supply
ac LED is on)
1.
See“Power supply LED errors”
on page 170
Beep/Symptom
FRU/Action