IBM iSeries Series Analyze Hardware Problems (System Reference Codes page 62

1xxx
Reference Code Description/Action Perform all actions before exchanging Failing Items
1B01 Load fault on the +12V bus
An isolation procedure is required for identifying which load is at fault.
1B02 Load fault on the +5V bus
An isolation procedure is required for identifying which load is at fault.
1B03 Load fault on the +3.3V bus
An isolation procedure is required for identifying which load is at fault.
1B04 Load fault on the -12V bus
An isolation procedure is required for identifying which load is at fault.
1B05 Load fault on the +1.8V bus
An isolation procedure is required for identifying which load is at fault.
1B06 to 1B07 Load fault on the +2.5V bus
An isolation procedure is required for identifying which load is at fault.
1B0A Load Fault on the +12V/-12v bus
An isolation procedure is required for identifying which load is at fault.
1B0B Load fault on the +1.8V bus
An isolation procedure is required for identifying which load is at fault.
1B0C Load Fault on the +3.3V/+1.5v bus
An isolation procedure is required for identifying which load is at fault.
1B0D Load fault on the +2.5V bus
An isolation procedure is required for identifying which load is at fault.
1B0E Load fault on the +5V bus
An isolation procedure is required for identifying which load is at fault.
1B0F Load Fault on the +1.5V/+1.3v bus
An isolation procedure is required for identifying which load is at fault.
1B11 Load fault on the +12V bus
An isolation procedure is required for identifying which load is at fault.
1B12 Load fault on the +5V bus
An isolation procedure is required for identifying which load is at fault.
1B13 Load fault on the +3.3V bus
1B14 Load fault on the -12V bus
1B16 to 1B17 Load fault on the +2.5V bus
1C01 Load fault on the +12V bus
An isolation procedure is required for identifying which load is at fault.
1C03 Load fault on the +3.3V bus
An isolation procedure is required for identifying which load is at fault.
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iSeries: iSeries 270, 800, 810, 820, 825, 830, 840, 870, 890, SB2, and SB3 Analyze Hardware Problems (System Reference Codes)
Failing Item
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD
PWROC
TWRCARD