HP storageworks director 2/140 Service Manual page 73

12
Inspect the director for indications of being powered on, such as:
Is the director powered on?
YES
↓
13
Does inspection of a power supply indicate a failure (green PWR OK LED
extinguished and one or more amber LEDs illuminated)?
NO
↓
The director is operational. Exit MAP.
14
The director's AC power distribution system failed. Possible causes include
failure of:
Does inspection of both power supplies indicate a dual failure (both green PWR
OK LEDs extinguished and one or more amber LEDs illuminated on each power
supply)?
YES
↓
Director 2/140 Service Manual
At the front bezel, an illuminated power LED (green) or system error LED
(amber).
An illuminated green LED on the active CTP card.
At least one green PWR OK LED illuminated on a power supply.
Audio emanations and airflow from cooling fans.
NO
Go to step 14.
YES
A redundant power supply failed. Go to
Both power supplies.
Power module assembly.
Backplane.
NO
One or both power supplies are operational, but a power distribution
failure through the backplane is indicated. Go to
Diagnostics
step 7.
step 19.
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