IBM iSeries Series Hardware Problem Analysis And Isolation page 377
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DANGER
To prevent a possible electrical shock from touching two surfaces with different electrical grounds, use one
hand, when possible, to connect or disconnect signal cables. (RSFTD004)
DANGER
To prevent a possible electrical shock during an electrical storm, do not connect or disconnect cables or
station protectors for communications lines, display stations, printers, or telephones. (RSFTD003)
DANGER
To avoid electrical shock, use the three-wire power cable and plug with a properly grounded electrical outlet.
(RSTD218)
CAUTION:
Energy hazard, remove power before servicing.
Table 1. Power problems
System reference code
1xxA FE06 for BPC A
1xxB FE06 for BPC B
1xxA FE16 for BPC A
1xxB FE16 for BPC B
1xxA 0856 or 1xxA FE56 for BPR 1A
1xxA 0866 or 1xxA FE66 for BPR 2A
1xxA 0876 or 1xxA FE76 for BPR 3A
1xxB 0856 or 1xxB FE56 for BPR 1B
1xxB 0866 or 1xxB FE66 for BPR 1B
1xxB 0876 or 1xxB FE76 for BPR 1B
1xxA FDB6 for BPC A
1xxB FDB6 for BPC B
1xxA 0D06 for BPA A
1xxB 0D06 for BPA B
1xxA 1C06
1xxB 1C06
1xxC 1C06
1xxC E006
1xxC E106
1xxA D216 for BPA A
1xxB D216 for BPA B
1xx1 8700
1xx1 8701
1xxA F806, 1xxA F906, or 1xxA FA06 for BPC A
1xxB F806, 1xxB F906, or 1xxB FA06 for BPC B
1xxC 6014
1xxC 6814
1xxC B014
1xxC B814
Action
Go to "MAPPWR-1: The UEPO switch on the bulk power
controller (BPC) is in the bypass position" on page 367.
Go to "MAPPWR-2: There is a bulk power regulator
(BPR) communications fault" on page 367.
Go to "MAPPWR-3: An open room EPO switch has been
detected from one side" on page 368.
Go to "MAPPWR-4: There is a 350 V bulk failure" on
page 369.
Go to "MAPPWR-5: An air flow loss has been detected"
on page 370.
Go to "MAPPWR-6: There is a processor (critical/warning)
overtemperature fault" on page 371.
Go to "MAPPWR-7: There is a bulk power assembly
(BPA) communication failure" on page 372.
Go to "MAPPWR-8: Loss of ac power or phase missing"
on page 373.
Go to "MAPPWR-9: 2.5 V current/voltage problem in
processor subsystem" on page 375.
Analyze hardware problems
365
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