Table 9. Common Firmware Error Codes (continued)
Error Code Description Action/
Possible Failing FRU
B1xx 4651 CPU 1 VPD fault Processor card
Location: U1.1-P1-C1
B1xx 4652 CPU 2 VPD fault Processor card
Location: U1.1-P1-C2
B1xx 4660 Memory subsystem failure Go to “MAP 1540: Minimum Configuration”
on page 110.
B1xx 4661 Memory riser VPD failure Go to “MAP 1540: Minimum Configuration”
on page 110.
B1xx 4662 Memory DIMM VPD failure Go to “MAP 1540: Minimum Configuration”
on page 110.
B1xx 4671 Critical temperature fault in primary I/O
drawer
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation and
operation
4. Check for any unsupported cards that
may be too hot
5. I/O drawer operator panel
Location: U0.1-L1
6. Primary I/O drawer backplane
Location: U0.1-P1
B1xx 4672 Critical temperature fault in secondary I/O
drawer
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation and
operation
4. Check for any unsupported cards that
may be too hot
5. I/O drawer operator panel
Location: U0.1-L1
6. Primary I/O drawer backplane
Location: U0.1-P1
B1xx 4673 Critical temperature fault in secondary I/O
drawer 3
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation and
operation
4. Check for any unsupported cards that
may be too hot
5. I/O drawer operator panel
Location: U0.1-L1
6. Primary I/O drawer backplane
Location: U0.1-P1
B1xx 4674 Critical temperature fault in secondary I/O
drawer 4 in secondary I/O drawer 3
1. Check ambient temperature
2. Check air supply to fans
3. Check fans for proper installation and
operation
4. Check for any unsupported cards that
may be too hot
5. I/O drawer operator panel
Location: U0.1-L1
6. Primary I/O drawer backplane
Location: U0.1-P1
342 Service Guide
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