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Step 0610-001
A message in Perspectives indicated that you have a power problem and Table 1-1 on page 1-4 or
Table 1-2 on page 1-5 directed you to this MAP.
1. From a Perspectives window on the control workstation or by looking at the SP Switch, check the
Power (green) LED for this SP Switch.
2. The definition of the Power (green) LED is as follows:
Power (Green)
Off No 48 V dc power available at the SP Switch.
Flashing
Power available at the SP Switch, but switch logic is Off.
On Power available at the SP Switch, and logic is On.
3. Is Power (green) LED Off?
v If yes, go to “Step 0610-004”.
v If no, go to “Step 0610-002”.
Step 0610-002
You found the switch Power (green) LED was lit. This indicates that the SP Switch is getting 48 V dc
power.
1. Is Power (green) LED flashing?
v If yes, go to “Step 0610-003”.
v If the Power LED is lit and it is not flashing:
a. This indicates that you do not have a power supply problem.
b. Verify that you have the proper SP Switch, then restart “SP Switch description and problem
determination (MAP 0590)” on page 1-1.
c. If this is the proper SP Switch, call the next level of support.
Step 0610-003
The Power LED is lit and it is flashing.
1. This indicates that the SP Switch is getting power.
2. Power up switch logic from the virtual front panel on the control workstation.
3. Does Power (green) LED light and stay lit?
v If yes, the switch logic is getting power.
a. Go to “SP Switch function (MAP 0620)” on page 1-17 and refer to “Step 0620-043” on
page 1-36.
v If the Power LED does not stay lit, the SP Switch is not responding to the command.
a. Go to ″Frame supervisor not responding (MAP 0110)″ in
RS/6000 SP: System Service Guide
.
Step 0610-004
From either a Perspectives window or by looking at the SP Switch, you determined that the Power (green)
LED is Off.
1. Check the SP Switch’s circuit breaker.
2. Put this circuit breaker in the On (‘1’) position if it is not already in that position.
3. Does the circuit breaker go (trip) to the Off (‘0’) position?
v If yes, go to “Step 0610-005” on page 1-15.
v If no, go to “Step 0610-006” on page 1-15.
SP Switch power (MAP 0610)
1-14
RS/6000 SP: SP Switch Service Guide