Firmware/POST Error Codes
Attention: If you replace FRUs or perform an action, and the problem is still not
corrected, go to “MAP 1540: Minimum Configuration” on page 117 unless otherwise
indicated in the tables.
If you replace FRUs or perform an action, and the problem is corrected, go to MAP
410: Repair Checkout in Diagnostic Information for Multiple Bus SystemsDiagnostic
Information for Multiple Bus Systemsunless otherwise indicated in the tables.
Table 5. Firmware Error Codes.
Error Code Description Action/ Possible Failing FRU
20110xxy I/O drawer power supply failure 1. Replace power supply “y” in I/O
drawer “xx”.
If y=_, then the power supply is:
y = power supply
3 = Both power supplies
(10 EIA-unit I/O drawer)
2 = Reserved
1 = Reserved
If xx=__, then the I/O drawer is:
xx = I/O drawer
1=0
2=1
3=2
4=3
See “AIX and Physical Location
Code Reference Tables” on page 48,
for location codes.
2. Check ac power source to I/O
drawer “xx”.
xx = I/O drawer
1=0
2=1
3=2
4=3
See “AIX and Physical Location
Code Tables” in Chapter 1, for
location codes.
Chapter 5. Error Code to FRU Index
159