v If you are working on a Model 870 or 890, replace the processor capacity card in location 41-A. See
Locations — Model 870 and 890 with an FC 9094 Base I/O Tower for part number and remove and
replace procedure information.
This ends the procedure.
CTLPNL
For use by authorized service providers.
A control panel or display panel may be failing.
Perform the following to determine the part number for the failing item.
1. Are you working on a system unit?
v No: Continue with the next step.
v Yes: Exchange the failing system control panel card for the appropriate model.
– For Models 270 and 820:
- Model 270 Control panel tray without keystick (see Locations and addresses for part number)
- Model 820 Control panel tray with keystick (see Locations and addresses for part number)
See the following remove and replace procedures before exchanging the control panel:
v Models 270, 800, and 810 - Control panel - NB1
v Model 820 - Control panel - NB1
–
For Models 800, 810, 825, 870, and 890:
- Models 800 and 810: Control panel tray assembly (see Locations - Models 800 and 810 for
part number)
- Model 825: Control panel tray assembly with keystick (see Locations - Model 825 for part
number)
- Model 870, 890, FC 9094: Control panel (see Locations - Models 870 and 890 with an FC
9094 Base I/O Tower for part number)
See
the following remove and replace procedures before exchanging the control panel:
v Models 270, 800, and 810 - Control panel - NB1
v Model 825 - Control panel - NB1
v Models 870, 890 (FC 9094) - Control panel - NB1
-
For Models 830, 840, SB2, and SB3:
v Model 830/SB2 control panel card (see Locations - Models 830, SB2 for part number)
v Model 840/SB3 FC 9079 control panel card (see Locations - Models 840, SB3 system unit
with processor tower and FC 9079 base I/O tower for part number)
v Model 840/SB3 processor tower control panel card (see Locations - Models 840, SB3
system unit with processor tower and FC 9079 base I/O tower for part number)
v For FC 8079-001 Base I/O Tower (see Locations - FC 8079 expansion I/O tower for part
number)
See
the following remove and replace procedures before exchanging the control panel.
– Models 830/SB2 with FC 9074 - System unit control panel (NB1)
– Model 840/SB3 processor tower, FC 8079 (lower half), and FC 9079 - Control panels
(NB1)
This ends the procedure.
2.
Exchange the failing expansion display panel for the appropriate I/O Expansion feature code:
v For FC 5033, FC 5034, and FC 5035 I/O Tower - part 04N4317
v For FC 5065 or FC 5066 PCI tower (see Type, model, and part number list for part number)
v For FC 5071, FC 5072, FC 5073, FC 5077, FC 508x - part 17G0574
v For FC 5074 I/O Tower (see Type, model, and part number list for part number)
Analyze hardware problems 323
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