Troubleshooting Tips
RS-232 connection: If a dumb terminal / PC running terminal emulation software is attached to
the iLO 2 MP “local” port and does not respond to a Control-B CR key sequence (and the terminal
is running 9600 baud, 8 data bits, is ONLINE, and so on), it is possible that the iLO 2 MP is not
operational / functional. See “Management Subsystem (iLO 2 MP/BMC)” (page 167) for the
following LED locations:
• The iLO 2 MP’s Heartbeat LED
• The BMC’s Heartbeat LED
Replace core I/O board FRU if both Heartbeat LEDs are not flashing green; suspect bulk power
supplies, or midplane board FRU, or I/O backplane board FRU if both Heartbeat LEDs are off.
LAN connections: See “I/O Subsystem (SAS/SATA/SCSI/DVD/HDD/Core I/O)” (page 168) for
iLO 2 MP LAN LED states.
Environment
Ambient intake air temperature is often different from ambient room temperature; you should
measure the operating temperature and humidity directly in front of the cabinet cooling air intakes,
rather than measure only ambient room conditions.
Within the server, temperature sensors report chassis temperature to the BMC. The BMC controls
fan speed, based on this information.
Temperature sensors are found on the display panel, where a thermal sensor detects the ambient
room temperature. This sensor’s reading is the main parameter used to regulate fan speed, under
normal conditions
Table 68 provides environmental specifications for the server:
Table 68 Environmental Specifications
Non-Operating RangeMaximum Rate of
Change
Recommended
Operating Range
Operating RangeParameter
-40 degrees to +70
degrees C
10 degrees C/hr.
with tape; 20
20-25 degrees C
(up to 5000 feet)
5-35 degrees C (up to
5000 feet)
Temperature
degrees C/hr.
without tape
30% per hour
noncondensing
40-60% at 35
degrees C
noncondensing
15-80% at 35 degrees
C noncondensing
Relative Humidity
Reporting Your Problems to HP
HP customer care will help you solve server problems and, if necessary, initiate appropriate
serviceprocedures.
Support is available on the web and by phone.
For information on contacting the HP Support Center (HPSC) near you, go to http://www.hp.com/
go/hpsc.
Online Support
To contact HP Customer Support online, see Worldwide Limited Warranty and Technical Support
Guide or visit us at http://www.hp.com/go/bizsupport.
On our web page, enter the server model number (rx6600) and search the field.
172 Troubleshooting
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