Table 5. Firmware Error Codes. (continued)
Error Code Description Action/
Possible Failing FRU
20FB 0020 Invalid SPCN configuration table flag
before SPCN table update
1. Check RIO cable connections
2. Clear NVRAM and retry
3. Check for system firmware
update
4. Replace primary I/O drawer
backplane
Location: U0.1-P1
20FB 0021 Invalid SPCN configuration table flag
after SPCN table update
1. Check RIO cable connections
2. Clear NVRAM and retry
3. Check for system firmware
update
4. Replace primary I/O drawer
backplane
Location: U0.1-P1
20FB 0025 The number of I/O drawers reported
by SPCN is not equal to the number
of I/O drawers reported by RIO
(remote I/O)
1. If there is an error indication in
any secondary I/O drawer
operator panel, follow the repair
action for that error indication.
2. Go to “MAP 1540: Minimum
Configuration” on page 113 to
isolate the failing I/O drawer, then
isolate the failure within that
drawer.
20FB 0030 Failure to read I/O drawer SPCN
address
1. Check RIO cable connections
2. Check for system firmware
update
3. Replace RIO card assembly
4. Replace I/O backplane if not
already replaced (location code
indicates which drawer)
20FB 0031 Failure to read I/O drawer SPCN
address
1. Check RIO cable connections
2. Check for system firmware
update
3. Replace RIO card assembly
4. Replace I/O backplane if not
already replaced (location code
indicates which drawer)
20FB 0032 Failure to read I/O drawer SPCN
address
1. Check RIO cable connections
2. Check for system firmware
update
3. Replace RIO card assembly
4. Replace I/O backplane if not
already replaced (location code
indicates which drawer)
Chapter 5. Error Code to FRU Index
195
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