IBM System x3950 Type 8878 Service Manual page 86

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Type 8878 and 8879," on page 23 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Beep code
One long and one short
beep
One long and two short
beeps
Two long and two short
beeps
No-beep symptoms
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, Type 8878 and 8879," on page 23 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)", that step must be performed only by a
trained service technician.
No-beep symptom
No beeps occur, and the
system operates
correctly.
70
IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide
Description
Card error.
Card error.
Card error.
Description
Action
1. Reseat the following components:
a. Microprocessor tray
b. I/O board
2. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. (Trained service technician only)
Microprocessor tray
b. I/O board
1. Reseat the following components:
a. Microprocessor tray
b. I/O board
2. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. (Trained service technician only)
Microprocessor tray
b. I/O board
1. Reseat the following components:
a. Microprocessor tray
b. I/O board
2. Replace the following components one at a
time, in the order shown, restarting the
server each time.
a. (Trained service technician only)
Microprocessor tray
b. I/O board
Action
1. (Trained service technician only) Reseat the
operator information panel.
2. (Trained service technician only) Replace
the operator information panel.