IBM x3250 M2 Problem Determination And Service Manual page 213

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, Types 4190, 4191 and 4194 server," on page 31 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.
system event/error log message
RS485 network overload has cleared; y or fewer
devices are present on the RS485 network
Retried alert accepted from system x; type: y,
sender's ID: z
Running the backup ASM main application
Secondary device event [00 x UNKNOWN-y]
Sending alert to remote system x; type: y, ID: z
Serial tamper delay triggered. Possible serial
port break-in attempt
System board is over recommended
temperature.
System board is under recommended
temperature.
System complex powered down
System error log full
System is over recommended voltage on VRM
1.
System is over recommended voltage for +1.5V
CPU
System is over recommended voltage on +3.3V
System is under recommended voltage on VRM
1.
Action
Information only.
Information only.
Information only.
Information only.
Information only.
Information only.
1. Make sure that the fans have good airflow and are not
obstructed.
2. (Trained service technician only) Replace the system board.
1. Make sure that the fans have good airflow and are not
obstructed.
2. (Trained service technician only) Replace the system board.
Information only.
Clear the current logs.
1. (Trained service technician only) Reseat the microprocessor.
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
1. Reseat the following components:
a. (Trained service technician only) Microprocessor
b. Power supply
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) System board
b. (Trained service technician only) Microprocessor
1. Reseat the power supply.
2. (Trained service technician only) Replace the system board.
1. (Trained service technician only) Reseat the microprocessor.
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. (Trained service technician only) Microprocessor
b. (Trained service technician only) System board
195
Chapter 5. Diagnostics