IBM 865951Y - Netfinity 5000 - 51Y, Hardware Maintenance Manual

Page: 163 / 220

No beep symptoms
No Beep Symptom FRU/Action
No beep and the system
operates correctly. 1. Speaker
2. 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. Hot-Swap Power AC
Inlet Box
No beep and no video 1. See “Undetermined
problems” on
page 165.
No beep, fans running,
and ac power LED
blinking
(System held in reset) 1. If an optional VRM is
installed and no
optional processor,
remove the optional
VRM.
2. If optional VRM failed,
replace optional VRM.
3. If primary VRM failed,
replace system board.
4. If system board failed,
replace system board.
Netfinity 5000 - Type 8659
155