Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item
131D Regulator R22 Fault
A fault has been detected for Regulator R22.
PWRREG
BKSPCN
131E Regulator R23 Fault
A fault has been detected for Regulator R23.
PWRREG
BKSPCN
1401 3.3V Memory Control 2 Domain Fault
A 3.3V Memory 2 Control Domain fault has been detected.
DMREG
BKSPCN
1402 2.5V Memory Control Domain Fault
A 2.5V Memory Control Domain fault has been detected.
DMREG
BKSPCN
1403 Cache Regulator Domain Fault
A Cache Regulator Domain fault has been detected.
DMREG
BKSPCN
1404 3.3V Memory Control 1 Domain Fault
A 3.3V Memory Control 1 Domain fault has been detected.
DMREG
BKSPCN
1405 Processor 1 Regulator Domain Fault
A Processor 1 Regulator Domain fault has been detected.
DMREG
BKSPCN
1406 Processor 2 Regulator Domain Fault
A Processor 2 Regulator Domain fault has been detected.
DMREG
BKSPCN
1407 Clock Regulator Domain Fault
.A Clock Regulator Domain fault has been detected.
DMREG
BKSPCN
1510 Detected AC loss
Before replacing any parts, verify that the AC input voltage is correct.
PWRSPLY
TWRCARD
1511 Power supply failure PWRSPLY
TWRCARD
1512 Power supply failure PWRSPLY
TWRCARD
CBLALL
1513 to 1514 Power supply failure PWRSPLY
TWRCARD
1516 No Power Supplies Present
The required power supplies are not installed.
PWRSPLY
TWRCARD
1520 Detected AC loss
Before replacing any parts, verify that the AC input voltage is correct.
PWRSPLY
TWRCARD
1521 Power supply failure PWRSPLY
TWRCARD
1522 Power supply failure PWRSPLY
TWRCARD
CBLALL
1523 to 1524 Power supply failure PWRSPLY
TWRCARD
1526 No Power Supplies Present
The required power supplies are not installed.
PWRSPLY
TWRCARD
1xxx
90
iSeries: iSeries 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Analyze Hardware Problems (System Reference Codes)