HP Modular Cooling System User Manual
Page 56
Operator display 56
NOTE:
To clear the condensation pump cycles warning, click Cooling System in the left
navigation frame to access the Cooling System screen, and then click the Alarms/Warnings tab.
Under the Warnings section, set Alarm Reset to Manual and click Save Settings. Then, return to
the General menu and click Clear Alarms.
This step only clears the warning when the condensation pump is not running.
Both doors are open
Indicators
Meaning
Operator display alarm
message
Both front and rear rack doors are open.
Web interface alarm
message
Both doors are open.
Condition
Both the front and rear rack doors are open. The system shuts down the fans and closes
the water valve.
Modules or sensors
Rack door sensor
SNMP notification
Alarm
Type of message
Alarm
Solution:
1.
Verify that the front and rear doors are closed.
2.
Verify that an operating condition has not triggered the automatic door opening feature.
NOTE:
Be sure your temperature threshold is not set too low. See Emergency Door Opening
messages.
Water Input Temperature is lower than dew point
Indicators
Meaning
Operator display alarm
message
Dew point warning
Web interface alarm
message
Water Input Temperature lower than dew point
Condition
Either the front or rear door is open, and the water input temperature is lower than the
calculated dew point. The fans automatically switch to 75% of maximum speed.
Modules or sensors
Humidity sensor
SNMP notification
Warning
Type of message
Warning
Solution:
1.
Verify that both the front and rear doors are closed.
2.
Verify that the server load meets the minimum load specified for inlet water temperature in the HP
mc-Series 5042 Rack Site Preparation Guide.