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3. If all interposers have been tested, go to “Step 0610-004” on page 1-14.
Step 0610-017
You tested all interposers and the circuit breaker still trips.
1. Replace the circuit breaker assembly.
2. Check the circuit breaker.
3. Does the circuit breaker still trip?
v If yes, go to “Step 0610-018”.
v If no, return to “Step 0610-004” on page 1-14 to verify fix.
Step 0610-018
You replaced the circuit breaker assembly but the circuit breaker still trips.
1. Replace the switch planar.
2. Return to “Step 0610-004” on page 1-14 to verify fix.
Note: If replacing the switch planar does not correct this problem (verify fix fails), call the next level of
support.
Step 0610-019
The switch circuit breaker is in the On position, the input power cable connections appear good, and the
green switch supervisor LED is Off.
1. Replace the switch supervisor card.
2. Are both the green switch supervisor and front panel power LEDs On?
v If yes, go to Switch function (MAP 0620), “Step 0620-021” on page 1-27 and return the switch to the
active configuration.
v If no:
– If both the green switch supervisor and front panel power LEDs are Off, go to “Step 0610-023”
on page 1-17.
– If the front panel power LED is Off but the green switch supervisor LED is On, go to “Step
0610-020”.
Step 0610-020
The front panel power LED is Off, but the green switch supervisor LED is On.
1. Replace the switch’s LED bracket assembly.
2. Is the front panel power LED On?
v If yes, go to Switch function (MAP 0620), “Step 0620-021” on page 1-27 and return the switch to the
active configuration.
v If no:
a. Call the next level of support.
– You may be advised to replace the LED power extension cable and, if needed, the switch
planar.
b. If advised to proceed, go to “Step 0610-021”.
Step 0610-021
The switch’s front panel power LED remained Off after you replaced the LED bracket assembly and you
were advised to continue troubleshooting.
1. Replace the LED power extension cable.
2. Is the front panel power LED On?
v If yes, go to Switch function (MAP 0620), “Step 0620-021” on page 1-27 and return the switch to the
active configuration.
v If no, go to “Step 0610-022” on page 1-17.
Switch power (MAP 0610)
1-16
RS/6000 SP: SP Switch2 Service Guide