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Troubleshooting

Table 1: PFU POWER LED States

Color

Description

Green

PFU powered with no errors

detected

None

PFU is not receiving power

Checking the LEDs on the SMC

Each SMC is equipped with the following LEDs as shown in the accompanying figure:

• Run/Fail

• Active

• Standby

• Status

• Service

Troubleshooting

None needed.

Verify that the power switch is in the ON position.

Verify that the RTN and -VDC lugs are attached properly.

Verify that the ground lug is attached properly. Verify that the power

source is on and is supplying the correct voltage and sufficient current.

Check the cables from the power source to the rack for continuity.

If a power distribution panel (PDP) is installed between the power

distribution frame (PDF) and the chassis, verify that the circuit breakers

are set to ON.

If a PDP is installed between the PDF and the chassis, check the cables

from the PDP to the chassis for continuity.

If all of the above suggestions have been verified, then it is likely that

the PFU is not functional. Please contact your service representative.

ASR 5000 System Administration Guide, StarOS Release 21.2

Checking the LEDs on the SMC