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22
7. Troubleshooting
Error Message Cause Possible Solutions
Water Leak Condensate management system leak Power off the cooling system and open
the rack doors. Contact Tripp Lite support.
Cooler Discharging Warm Air Excessive heat, not enough cooling Consider adding duct kit for additional
ventilation.
Check to ensure cooling system in not
off or in standby.
Reevaluate rack equipment layout.
Refrigerant leak / compressor failure Contact technician to diagnose.
Cooler Not Responding / Not Turning On Boot sequence Wait for system to finish boot sequence.
HP/HD Switch Lack of airflow Check for blocked or obstructed
condenser fan airflow.
If alarm resets, Contact Tripp Lite support.
Suction Pressure Sensor Failure Controller has lost connection Contact Tripp Lite Support.
Discharge Pressure Sensor Failure Controller has lost connection Contact Tripp Lite Support.
Suction Temperature Sensor Failure Controller has lost connection Contact Tripp Lite Support.
Supply Temperature Sensor Failure Controller has lost connection Contact Tripp Lite Support.
Return Temperature Sensor Failure Controller has lost connection Contact Tripp Lite Support.
Return Humidity Sensor Failure Controller has lost connection Contact Tripp Lite Support.
Liquid Pipe Temperature Sensor Failure Controller has lost connection Contact Tripp Lite Support.
High Pressure Alarm Lack of airflow through condenser
Liquid side system blockage
Check for blocked or obstructed
condenser fan airflow.
Contact Tripp Lite support if error
continues.
Low Pressure Alarm Refrigerant Leak Contact Tripp Lite Support.
High Temperature Alarm Check high temperature alarm band
setting
Adjust setting to match operating
environment.
If alarm resets, contact Tripp Lite support.
Low Temperature Alarm Check low temperature alarm band
setting
Adjust setting to match operating
environment.
If alarm resets, contact Tripp Lite support.
High Humidity Alarm Check high humidity alarm band
setting
Adjust setting to match operating
environment.
If alarm resets, contact Tripp Lite support.
Controller Variable Alarm Unrecoverable controller error Power cycle the unit. Allow to remain off
for 10 min., then power up unit normally.
If alarm returns, contact Tripp Lite
support.
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