IBM iSeries 270

- PWR1B if installed - part 44H7808
- PWR1C if installed - part 44H8337
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Disk Unit BACKPL5B power cable: PWR8 if installed - part 44H7811
– Disk Unit BACKPL5A to:
- Optical D02 cable (for Models 830, 840, SB2, and SB3)
- CD D02 cable (for Models 270 and 820)
–
PWR9 if installed - part 44H8271
– Power supply interposer backplane
- PWRBUS1A if installed - part 44H8400
- PWRBUS1B if installed - part 44H8401
2. Is the SRC 1xxx 2202 or 2302?
v No: Continue with the next step.
v Yes: The failing item is within the power cables. Exchange the following parts one at a time.
– SPD backplane power cable: PWR23A if installed - part 44H7814
– PCI backplane power cable: PWR23B if installed - part 44H7816
– Tape BACKPL4B and Disk Unit BACKPL5B power cable: PWR21 if installed - part 44H7812
– Disk Unit BACKPL4B power cable: PWR22 if installed - part 44H7815
– Power supply interposer backplane: PWRBUS1C if installed - part 44H7910
3. Is the SRC 1xxx 2221, 2222, 2223, 2224, 2321, 2322, 2323, or 2324?
v No: Continue with the next step.
v Yes: The failing item is the power cables, exchange the following parts one at a time.
– Panel backplane to base backplane cable:
- SIG5A if installed - part 44H8017
- SIG5B if installed - part 44H8021
–
Panel backplane to power supply:
- SIG9A if installed - part 44H8016
- SIG6B if installed - part 44H8035
- SIG6C if installed - part 44H8022
–
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
–
PWRBUS1B - part 44H8401
– Disk Unit BACKPL4B power cable: PWR21 if installed - part 44H7812
4. Is the SRC 1xxx 2231?
v No: Continue with the next step.
v Yes: The failing item is the signal cables, exchange the following parts one at a time.
– 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
–
Interlock jumper - part 44H8340
5. Is the SRC 1xxx 2232?
v No: Continue with the next step.
v Yes: The failing item is the signal cables, exchange the following parts one at a time.
– Panel to expansion cover cable
- SIG8A - Part 44H8339 installed (with cover interlock) replace with - part 44H4599 kit
Analyze hardware problems 299