3-22 Chapter 3
Troubleshooting
540E Error signal from bus converter on
AP
1. Replace Access Port card.
2. Replace system/Core I/O card.
3. Contact the response center.
540F TLB error on IOA
1. Replace Processor/Memory card.
2. May need a software patch for I/O PDIR
corruption.
3. Contact the response center.
BUS HPMCs Detected by IOA (Associated with turbo slot)
5500 Unknown error
1. Replace Processor/Memory card.
2. Contact the response center.
5501 Internal error
1. Replace the Processor/Memory card.
2. Contact the response center.
5502 Path error
1. Replace Processor/Memory card.
2. Replace System/Core I/O card.
3. Contact the response center.
5503 Mode phase error
1. Replace Processor/Memory card.
2. Contact the response center.
5504 Parity error
1. Replace Processor/Memory card.
2. Contact the response center.
5505 Protocol error
1. Replace Processor/Memory card.
2. Contact the response center.
5506 No slave acknowledge
1. Replace Processor/Memory card.
2. Contact the response center.
5508 Broad error
1. See other error codes.
2. Replace Processor/Memory card.
3. Contact the response center.
5509 Improper access error
1. Replace Core I/O or HSC modules.
2. Replace P/M Card.
3. Contact the response center.
550A Illegal response error
1. Replace Processor/Memory card.
2. Contact the response center.
Code Description Action
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