Indicator Led States - HP Surestore Disk Array 12h - And FC60 Service Manual

Appendix D. Back-to-Back Racking
Troubleshooting

Indicator LED States

This is the rack's normal operating state. Power is being delivered from both
Both green
LEDs lit PDUs and to all the fans. Fans should be running normally.
One or two of the three fans are not operating, probably due to a physical failure.
One amber
LED lit
Two Two or three fans have failed. This condition is unlikely to occur.
amber
LEDs lit
When one bank of LEDs is not lit (no green, no amber), power from one of the
One bank
of LEDs PDUs has failed. One or two of the cooling fans are not spinning. This is a likely
indication that the PDU is not supplying power to the rack. For redundant
not lit
solutions, some power is likely being delivered to array enclosures from the,
remaining, PDUs.
All power to the fan assembly has failed. Also, it is likely that two PDUs have
No LEDs
lit failed and are not providing power to the arrays.
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