HP Surestore Disk Array 12h - And FC60 Service Manual page 280

Table 37 Master Troubleshooting Controller Enclosure Master Troubleshooting Table (cont'd)
Symptom
Power Supply LED
(front cover) is on
The LEDs on both
power supply modules
are ON but all other
LEDs are off.
Controller Enclosure Troubleshooting
280
Possible Cause
A Power supply module is
missing or not plugged
in properly.
B Power supply module is
overheated or failed.
A Defective DC Power
Harness
B Defective Power
Interface Board
Procedure
Insert and lock the power supply module
into place. If the Fault LED is still on, go to
cause B.
Lower the room temperature if it is too high,
unblock enclosure vents if they are
obstructed, replace any failed fans in the
enclosure, or replace the power supply
module.
– Replace the DC Power Harnesses. If this
does not resolve the problem, go to
cause B.
– Replace the power supply. See
Interface Board" on page
"Power
274.