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Step 0600-025
You have a PS1Fail problem
1. Replace power supply card PS1.
2. Reinstall the SPS front panel assembly, being careful to align the guide pins on the P1 to the inner
chassis cup guide.
3. Replug the power cable (J1) and supervisor cable (J2) to the rear of the assembly.
4. Put the circuit breaker in the On (‘1’) position.
5. Does the PS1Fail condition still exist?
v If yes, go to “Step 0600-026”.
v If no, go to “Step 0600-017” on page 1-10.
Step 0600-026
After replacing the power supply card you still have a PSxFail condition.
1. Put the circuit breaker in the Off (‘0’) position.
2. Remove the power cable (J1) and supervisor cable (J2) from the rear of the SP Switch.
3. Remove the front panel assembly.
4. Replace the supervisor card.
5. Reinstall the SPS front panel assembly, being careful to align the guide pins on the P1 to the inner
chassis cup guide.
6. Replug the power cable (J1) and supervisor cable (J2) to the rear of the assembly.
7. Put the circuit breaker in the On (‘1’) position.
8. Does the PSxFail condition still exist?
v If yes:
a. Replace the SP Switch inner chassis assembly.
b. Go to “Step 0600-017” on page 1-10.
v If no, go to “Step 0600-017” on page 1-10.
Step 0600-027
You have a PSFuseGood problem.
1. Remove power supply PS1 (refer to “Removing the switch power cards” on page 4-6).
2. Reinstall the SPS front panel assembly, being careful to align the guide pins on the P1 connector to
the inner chassis.
3. Replug the power cable (J1) and supervisor cable (J2) at the rear of the assembly.
4. Put the circuit breaker in the On (‘1’) position.
5. Does the failure condition still exist?
v If yes, go to “Step 0600-029” on page 1-13.
v If no, go to “Step 0600-028”.
Step 0600-028
You have a PSFuseGood problem that went away when you removed power supply PS1.
1. Put the circuit breaker in the Off (‘0’) position.
2. Remove power cable (J1) and supervisor cable (J2) from the rear of the SP Switch.
3. Remove the front panel assembly.
4. Replace power supply PS1.
5. Take the switch out of the service position (refer to “Service position procedures” on page 3-9).
6. Go to “Step 0600-017” on page 1-10.
SP Switch environment (MAP 0600)
1-12
RS/6000 SP: SP Switch Service Guide