NonStop S-Series Hardware Installation and FastPath Guide (G06.27+)

Powering On and Starting the System
HP NonStop S-Series Hardware Installation and FastPath Guide—540460-001
8-10
Status LEDs During a Power-On Procedure
g. Check all objects with redundant power cords to be sure that they are still
operating.
h. Switch this breaker back on.
If any two-corded piece of equipment fails during either power shutdown, there
are three possibilities. In descending order of probability, the possibilities are:
•
It is plugged in improperly.
Check the connection between each power cord and the AC power
receptacle to which it is connected. If necessary, unplug and replug each
cord to ensure that it is seated properly in the receptacle.
•
It has a defective power cord.
•
It has a defective power supply
Status LEDs During a Power-On Procedure
During a system power-on procedure, status LEDs on the enclosures and CRUs light
during a series of POSTs. Table 8-1 lists the status LEDs and their functions.
Table 8-1. Status LEDs and Their Functions (page1of2)
Location LED Name Color Function
PMF CRU Power-on Green Lights when the PMF CRU is powered on successfully.
On PMF CRUs of model S74000 and higher, lights as
soon as power is applied.
Service Amber Lights temporarily during power on when the PMF
CRU has been initialized successfully.
Lights continuously if POST fails.
Flashes if the service processor (SP) image is being
loaded from its peer.
IOMF
CRU and
IOMF 2
CRU
Power-on Green Lights when the IOMF CRU is powered on
successfully.
Service Amber Lights temporarily during power on when the IOMF
CRU has been initialized successfully.
Lights continuously if POST fails.
ServerNet
port service
Amber Lights when the service processor (SP) detects an
error in the transfer of ServerNet data.
IOAM
Enclosure
Contact your service provider for LED status information after powering on an
IOAM enclosure.