Map 1525: There Is A 350 Volt Bulk Failure - IBM pSeries 670 Service Manual

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MAP 1525: There Is a 350 Volt Bulk Failure

Note: Read the Danger and Caution notices under "Safety Notices" on page xi before continuing with this

1. Prepare a multimeter to measure up to 600 V ac.

2. Use the multimieter to measure the ac voltage at the following test points on the faceplate of the BOA

that is referecned by the error code that sent you to this MAP:

v Phase A and phase B

v Phase B and phase C

v Phase C and phase A

Are all the readings greater than 180 V ac?

Go to "Step 1525-7" on page 156.

Go to "Step 1525-2".

1. This problem can be caused by any BPR plugged into the failing BPA.

2. The system can have one or two BPRs, depending on the system configuration.

3. Each BPR on the failing BPA must be checked independently.

The following steps check all the BPRs on the side of the BPA (A or B) referenced by the error code that

sent you to this MAP.

Are there any remaining BPRs to be checked?

Go to "Step 1525-3" on page 155.

Go to "Step 1525-4" on page 155.

Eserver pSeries 670 Service Guide

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