Position FRU name
Possible failing
component
Type, CCIN, or part
number (use the Type,
model, and part
number list to
determine the part
number when the type
or CCIN are given.) Remove and replace procedure
R20 Regulator
card
Regulator card 21H7763 Go to Models 840/SB3, FC 8079
(lower half), FC 9079 Cards —
Dedicated.
R21 SPCN card SPCN card
v 04N4552 - Single line
cord
v 21P6806 - Dual line
cord
Go to Models 840/SB3 system unit
- SPCN card (R21).
G01 Battery
charger
Battery charger 23L3640 Go to Models 840/SB3 system unit
- Charger (G01).
T01 Battery pack Battery pack 21H7080 Go to Models 840/SB3 System unit
- Battery pack (T01).
A01 AC box AC box (For systems with
single line cord)
v 21H7000 - USA
v 21H7261 - 1 Phase
World Trade
v 21H7264 - 2 Phase
World Trade
Go to Models 840/SB3 processor
tower (with non-dual line cords) -
AC box (A01).
AC module AC module (For systems
with dual line cords)
v 21H7000 - USA
v 21H7261 - 1 Phase
World Trade
v 21H7264 - 2 Phase
World Trade
Go to Models 840/SB3 processor
tower (with dual line cords) - AC
box concurrent maintenance
procedure (A01, A03).
A02 Concurrent
maintenance
adapter
Concurrent maintenance
adapter (For systems with
dual line cords)
04N6092 Go to Models 840/SB3 processor
tower (with dual line cords) -
Concurrent maintenance adapter
card (A02).
A03 AC module AC module (For systems
with dual line cords)
v 21H7000 - 1 Phase
USA
v 21H7261 - 1 Phase
World Trade
Go to Models 840/SB3 processor
tower (with dual line cords) - AC
box concurrent maintenance
procedure (A01, A03).
HSL
cables on
the HSL
ports
HSL cable HSL connection See the Type, model,
and part number list.
Go to HSL cables - Concurrent.
Figure 2a. Locations for FC 9079 base I/O tower (on Models 840, SB3 system unit - single line cord)
Analyze hardware problems 275