IBM i 830 Repair Manual page 527

v Panel backplane to power supply
SIG9A if installed – part 44H8016
SIG6B if installed – part 44H8035
SIG6C if installed – part 44H8022
v Base backplane to expansion PWRBUS1B cable
SIG8A – Part 44H8339 installed (with cover interlock) replace with –
part 44H4599 kit.
SIG8A – Part 87G0785 installed (without cover interlock) replace
with – part 87G0785.
v PWRBUS1B – part 44H8401
v Disk Unit BACKPL4B power cable
PWR21 if installed – part 44H7812
4. Is the SRC 1xxx 2231?
No Yes
↓
The failing item is the signal cables, exchange the following parts one
at a time:
v Panel to RPO/MI/UPS signal/SPCN cover cable
SIG9B – Part 44H8338 installed (with cover interlock) replace with –
part 44H4598 kit.
SIG9B – Part 87G0784 installed (without cover interlock) replace
with – part 87G0784.
v Interlock jumper – part 44H8340.
5. Is the SRC 1xxx 2232?
No Yes
↓
The failing item is the signal cables, exchange the following parts one
at a time:
v Panel to expansion cover cable
SIG8A – Part 44H8339 installed (with cover interlock) replace with –
part 44H4599 kit.
SIG8A – Part 87G0785 installed (without cover interlock) replace
with – part 87G0785.
v Interlock jumper – part 44H8340.
6. Is the SRC 1xxx 2311?
No Yes
↓
The failing item is the signal cables, exchange the following parts one
at a time:
v Panel to power supply cable
SIG6B if installed -- part 44H8035.
SIG6C if installed -- part 44H8022.
v Power supply interposer backplane
PWRBUS1A -- part 44H8400.
PWRBUS1B -- part 44H8401.
7. Is the SRC 1xxx 2312, 2313, or 2314?
No Yes
Chapter 3. Problem Isolation Procedures (PIPs), Failing Items, and Symbolic FRU Isolation
Symbolic FRUs
513