IBM pSeries 670 Service Manual page 405

Error Code Description
101B xxB1 BPA-B / EPO_SW
101C 0FB6 MCM 0 running over temperature
101C 0FC6 MCM 1 running over temperature
101C 0FD6 MCM 2 running over temperature
101C 0FE6 MCM 3 running over temperature
101C 1C06 Loss of airflow in processor subsystem resulting
in over-temperature
Action/
Possible Failing FRU
1. Replace the UEPO switch,
Location: U1-V1
2. Check the cable from BPC-B to the UEPO
switch,
Location U1-V1/Q2#
1. Verify that the MCM at U1.18-P1-C1 is
installed.
2. Verify that there are no airflow problems with
the MCM at U1.18-P1-C1 or its heatsink.
3. Verify that the MCM at U1.18-P1-C1 is
installed correctly onto the processor
backplane.
4. Call service support.
1. Verify that the MCM at U1.18-P1-C3 is
installed.
2. Verify that there are no airflow problems with
the MCM at U1.18-P1-C3 or its heatsink.
3. Verify that the MCM at U1.18-P1-C3 is
installed correctly onto the processor
backplane.
4. Call service support.
1. Verify that the MCM at U1.18-P1-C4 is
installed.
2. Verify that there are no airflow problems with
the MCM at U1.18-P1-C4 or its heatsink.
3. Verify that the MCM at U1.18-P1-C4 is
installed correctly onto the processor
backplane.
4. Call service support.
1. Verify that the MCM at U1.18-P1-C2 is
installed.
2. Verify that there are no airflow problems with
the MCM at U1.18-P1-C2 or its heatsink.
3. Verify that the MCM at U1.18-P1-C2 is
installed correctly onto the processor
backplane.
4. Call service support.
Go to "MAP 1527: An Airflow Loss Has Been
Detected" on page 160 with location U1.18.
Chapter 5. Error Code to FRU Index
385