Reference Code Description/Action Perform all actions before exchanging Failing Items Failing Item
111B Regulator R20 error
A fault detection failure occurred for Regulator R20.
PWRREG
BKSPCN
111C Regulator R21 error
A fault detection failure occurred for Regulator R21.
PWRREG
BKSPCN
111D Regulator R22 error
A fault detection failure occurred for Regulator R22.
PWRREG
BKSPCN
111E Regulator R23 error
A fault detection failure occurred for Regulator R23.
PWRREG
BKSPCN
1200 29V Buss Fault
A 29V Bus fault has been detected.
BUSPWR
BKSPCN
1201 3.3V Memory 2 Control Regulator Fault
A 3.3V Memory 2 Control Regulator fault has been detected.
DMREG
BKSPCN
1202 2.5V Memory Control Regulator Fault
A 2.5V Memory Control Regulator fault has been detected.
DMREG
BKSPCN
1203 Cache Regulator Fault
A Cache Regulator fault has been detected.
DMREG
BKSPCN
1204 3.3V Memory 1 Control Regulator Fault
A 3.3V Memory 1 Control Regulator fault has been detected.
DMREG
BKSPCN
1205 Processor 1 Regulator Fault
A Processor 1 Regulator fault has been detected.
DMREG
BKSPCN
1206 Processor 2 Regulator Fault
A Processor 2 Regulator fault has been detected.
DMREG
BKSPCN
1207 Clock Regulator Fault
.A Clock Regulator fault has been detected.
DMREG
BKSPCN
1300 Power Supply P01 Fault
A fault has been detected for Power Supply P01.
PWRSPLY
BKSPCN
1301 Power Supply P02 Fault
A fault has been detected for Power Supply P02.
PWRSPLY
BKSPCN
1302 Power Supply P03 Fault
A fault has been detected for Power Supply P03.
PWRSPLY
BKSPCN
1303 Power Supply P04 Fault
A fault has been detected for Power Supply P04.
PWRSPLY
BKSPCN
1304 Power Supply P05 Fault
A fault has been detected for Power Supply P05.
PWRSPLY
BKSPCN
1305 Power Supply P06 Fault
A fault has been detected for Power Supply P06.
PWRSPLY
BKSPCN
1xxx
84
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1