Solution:

1.Verify the water inlet temperature.

2.Verify that the flow matches the specifications required for heat load.

3.Adjust the temperature assigned in the web interface Intake Temp tab High Temperature Threshold field.

Leakage detected

Indicators

Meaning

 

 

Actual operator display alarm

Leakage Detected

message

 

 

 

Actual web interface alarm

Leakage Detected

message

 

 

 

Condition

Leak is detected

 

 

Modules or sensors

Leakage detector actuated

 

 

SNMP notification

Critical

 

 

Type of message

Alarm

 

 

Solution:

1.Open the rack doors.

2.Power down the rack-mounted components.

3.Turn off the water to the MCS unit.

4.Locate the leak and correct it.

Communication failure

Indicators

Meaning

 

 

Actual operator display alarm

Comm. Failure I²C

message

 

 

 

Actual web interface alarm

Comm. Failure I²C

message

 

 

 

Condition

Management module cannot communicate with the MCS unit sensors

 

 

Modules or sensors

Any module or sensor

 

 

SNMP notification

Critical

 

 

Type of message

Alarm

 

 

Solution:

Power cycle the management module. If the alarm message continues to display, replace the management module with a CSR part. For more information on CSR parts, see "Replaceable parts and maintenance and service information (on page 63)."

Temperature below threshold (Low Temperature Threshold field)

Indicators

Meaning

 

 

Actual operator display alarm

Temperature Too low

message

 

 

 

Operator display 51