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105
Chapter 3: Maintenance analysis procedures
MAP 0100: Power distribution analysis
This MAP describes fault isolation for the product power distribution
system, including defective AC power cords or redundant power
supplies. One or more of the following indicate a failure:
•
Failure of the product to power on.
•
Event code
200
or
201
observed at the
Event Log
(EFCM Basic
Edition or Element Manager interface).
1
Ensure the product is connected to facility power. Inspect the product
for indications of being powered on, such as:
•
An illuminated
PWR
LED (green) or
ERR
LED (amber).
•
Illuminated LEDs adjacent to Fibre Channel ports.
•
Noise and airflow from cooling fans.
Is the product powered on?
YES
NO
↓
A power distribution problem is indicated.
Go to
step 4
.
2
Table 8
lists event codes, explanations, and MAP steps.
3
As indicated by visual inspection or event code
200
or
201
, one or
both power supplies failed and must be removed and replaced. Refer
to
Field-replaceable unit: Redundant power supply
.
•
The procedure is concurrent and performed while the product is
operational.
Table 8
MAP 100 event codes
Event
code
Explanation
Action
200
Power supply AC voltage failure.
Go to
step 3
.
201
Power supply DC voltage failure.
Go to
step 3
.
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