Problem or Message Meaning or Corrective Action
LED control failure, do not use slot System code has detected a problem with
the controls for the Light Emitting Diode at
the card location specified by the DSA. Do
not use that card location.
Power control failure, do not use slot System code has detected a problem with
the power controls at the card location
specified by the DSA. Do not use that card
location.
Multi-adapter bridge card slot error, do not
use card slot
System code has detected a problem with
the controls at the card location specified by
the DSA. Do not use that card location.
This ends the procedure.
SNSDATA
This is a portion of the SCSI sense data associated with the URC; it is not a failing
item in and of itself. This data is referenced by certain failure isolation procedures
within the 3995 Optical Library Dataserver Maintenance Information Manuals.
This ends the procedure.
SPCNCRD
The failing item is a System Power Control Network card (SPCN card).
1. Is this system a Model 830 with SB2 System Unit and FC 9074 ?
Yes No
↓ Go to Step 3 of this procedure.
2. See “Locations — Models 830, SB2 System Unit with FC 9074 Base I/O Tower”
on page 709.
Replace the following FRUs in order one at a time until the problem is
resolved. See “Chapter 4. Removal and Installation Procedures” on page 617.
Note: Be sure to IPL in SLOW OVERRIDE mode after each replacement.
a. Tower card in location CB1 in the 9074 Base I/O Unit.
3. This is a Model 840, SB3 System Unit and FC 9079 Base I/O Tower.
See “Locations — Models 840, SB3 System Unit with Processor Tower and FC
9079 Base I/O Tower” on page 719.
Replace the following FRUs in order one at a time until the problem is
resolved. See “Chapter 4. Removal and Installation Procedures” on page 617.
Note: Be sure to IPL in SLOW OVERRIDE mode after each replacement.
a. Tower card in location CB1 in the 9079 Base I/O Unit.
b. SPCN card in location R21 in the 840 System Unit.
This ends the procedure.
SPNLCRD
The control panel electronics card may be the failing item. See SPNLCRD in the
Migrated Expansion Tower Problem Analysis, Repair and Parts.
Symbolic FRUs
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation 597
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