HP Modular Cooling System - Manual (Page 11)

Web interface 11
Indicators Meaning
Operator display alarm message Fan 1, 2, 3, 4, 5, or 6 Failed
Web interface alarm message
Fan 1, 2, 3, 4, 5, or 6 Failed/ Not installed
Condition Fan 1, 2, 3, 4, 5, or 6 is less than its minimum rpm
Module Fan 1, 2, 3, 4, 5, or 6
SNMP notification Warning
Type of message Warning
Solution:
1. Remove the fan unit.
2. Reinstall the same fan unit.
If the warning message does not clear after the module is reseated, replace the fan unit with a CSR part.
For more information on CSR parts, see "Replaceable parts and maintenance and service information (on
page 54 )."
HEX (heat exchanger unit) temperature in failed (Server Intake Temperature failed)
Indicators Meaning
Operator display alarm message HEX1, HEX2, or HEX3 Temp. In Failed
Web interface alarm message
Top Heat Exchanger Intake Air Temperature Sensor to Server Failed
Condition Temperature reading is beyond limit (possible open circuit)
Sensors HEX1, HEX2, or HEX3 sensors (this is the water to air heat exchanger unit
temperature of the intake to the servers)
SNMP notification Warning
Type of message Warning
Solution:
Contact HP, or see the HP website (
http://www.hp.com ).
HEX temperature out failed (Server Exhaust Temperature failed)
Indicators Meaning
Operator display alarm message HEX1, HEX2, or HEX3 Temp. Out Failed
Web interface alarm message
Top Heat Exchanger Exhaust Air Temperature Sensor from Server Failed
Condition Temperature reading is beyond limit (possible open circuit)
Sensors FAN 1, 2, 3, 4, 5 or 6 sensors (this is the fan unit temperature of the
exhaust from the servers)
SNMP notification Warning
Type of message Warning
Solution:
Contact HP, or see the HP website (
http://www.hp.com ).
Low water flow