IBM RS/6000 SP, Service Manual

Page: 33 / 114

Step 0600-029
You have a PSFuseGood problem that did not go 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. Replug power supply PS1 and remove power supply PS2.
5. Reinstall the SPS front panel assembly, being careful to align the guide pins on the P1 connector to
the inner chassis.
6. Replug the power cable (J1) and supervisor cable (J2) at the rear of the assembly.
7. Put the circuit breaker in the On (‘1’) position.
8. Does the failure condition still exist?
v
If yes, go to “Step 0600-031”.
v
If no, go to “Step 0600-030”.
Step 0600-030
You have a PSFuseGood problem that went away when you removed power supply PS2.
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 PS2.
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.
Step 0600-031
You have a PSFuseGood problem that did not go away when you removed power supply PS2.
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. Replug power supply PS2 and replace the switch supervisor card.
5. Reinstall the SPS front panel assembly, being careful to align the guide pins on the P1 connector to
the inner chassis.
6. Replug the power cable (J1) and supervisor cable (J2) at the rear of the assembly.
7. Put the circuit breaker in the On (‘1’) position.
8. Does the failure 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.
SP Switch power (MAP 0610)
Purpose of this MAP
This MAP provides diagnostic information for problems related to the SP Switch power supply.
Note: Refer to “Service position procedures” on page 3-9 for placing the switch into the service position or
removing it from the service position.
SP Switch environment (MAP 0600)
Chapter 1. Maintenance Analysis Procedures (MAPs)
1-13