v No: Continue with the next step.
v Yes: Exchange the failing power supply:
Table 7. Failing power supply for Model 820
See Locations — Model 820
Reference code Position
00AC Replace P01-P03 until the failing unit is found.
1510 P01
1520 P02
1530 P03
Table 8. Failing power supply for Model 825
See
Locations - Model 825
Note: These reference codes can be caused by the cover on the processor enclosure not being
installed (see Locations - Model 825 ), or a faulty interlock switch assembly (see the Model 825 -
Interlock switch remove and replace procedure, and the Type, model, and part number list for the
part number).
Reference code Position
00AC Replace P01-P02 until the failing unit is found
1510 P01
1520 P02
Table 9. Failing power supply for FC 5074, FC 5079 (dual line cord)
See
Locations — FC 5074 Expansion I/O Tower, or Locations — FC 5079 Expansion I/O Tower
Reference code Position
00AC Replace P01-P02 until the failing unit is found.
1510 P01
1520 P02
Table 10. Failing power supply for FC 5094 and FC 9094 (dual line cord)
See Locations - FC 5094 Expansion I/O Tower
Reference code Position
00AC Replace P01-P02 until the failing unit is found.
1500 P00
1510 P01
1520 P02
1530 P03
Table 11. Failing power supply for FC 5078, FC 0578, FC 5088, or FC 0588
See Locations — FC 5078, FC 0578 Expansion I/O Unit, or Locations — FC 5088, FC 0588
Expansion I/O Unit
Reference code Position
00AC Replace P01-P02 until the failing unit is found.
1510 P02
1520 P01
Analyze hardware problems 181